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Probability (part 1)
Posted by: khanacademy

Video duration: 630 seconds
Global video hits: 329591

What probability is.

Related: probability

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Latest comments made on this video:

i? LOVE THAT SPIRIT ...
By: junkheadrooster. on 23 May 12, 07:51:09
i? LOVE THAT SPIRIT! FUCK MATHS YEAH

illuminati ?
By: Canabalisticcanibus. on 23 May 12, 05:06:20
illuminati ?

thumbs up if you ...
By: ILoveCoco111. on 15 May 12, 23:53:17
thumbs up if you think this guy is? awesome!

No revelance to ...
By: theamazinghikari. on 13 May 12, 20:44:39
No revelance to math? either...

No relevance to ...
By: theamazinghikari. on 13 May 12, 20:42:55
No relevance to this math video.?

thumbs if you has ...
By: BLopsCustomGames. on 10 May 12, 22:37:17
thumbs if you has bad grades and your parents saw them and made u study..... mine did?

FUCK PROBABILTIY? ...
By: gianluigibuffonm. on 06 May 12, 15:02:28
FUCK PROBABILTIY? AND FUCK MATH ITSELF BITCH

I kind of got mixed ...
By: cheney026. on 28 Apr 12, 05:49:24
I kind of got mixed up with the play list order and then Probability part 1...:(...anyway great videos Mr.Sal.Keep it up.Your? helping me out a lot.

lol? i agree
By: Natasha Varghese. on 26 Apr 12, 08:19:54
lol? i agree

I guess he was? ...
By: syedhedayat. on 25 Apr 12, 07:01:56
I guess he was? thinking something else while making this video! :s

Lol, he put a pi ...
By: BaltoHusky345. on 15 Apr 12, 02:25:21
Lol, he put a pi sign at the? end

I wanna suck ...
By: OrthodoxDarwinist. on 04 Apr 12, 16:49:14
I wanna suck Khan's? dick so bad right now...

this dude is damn ...
By: srofhy. on 03 Apr 12, 11:04:41
this dude is damn funny and good? in stats, can't he borrow me his brain for 3 years of my degree? lol, they say doctors save lives, and people like him save grades....

1/12 (1/2x1/6)?
By: westy019. on 03 Apr 12, 10:02:50
1/12 (1/2x1/6)?

I don't do videos ...
By: TheBlocter. on 03 Apr 12, 07:59:12
I don't do videos on? spelling. Haha

9:15 - not 5%, u ...
By: Hasiula. on 28 Mar 12, 19:39:54
9:15 - not 5%, u ate "0" so its is 50%?

this guy is? smart
By: JacobNick2734. on 18 Mar 12, 23:31:09
this guy is? smart

wow ?
By: JacobNick2734. on 18 Mar 12, 23:30:49
wow ?

lols watching one ...
By: kazim278. on 15 Mar 12, 18:04:49
lols watching one day before? my probability paper :/ any ways thankxx an informative video :)

Oh Gawd... I get it ...
By: KirstiTheSoulEater95. on 11 Mar 12, 18:46:11
Oh Gawd... I get it! Thank? you!!!

Great explanation, ...
By: MrZola1234. on 02 Mar 12, 02:50:21
Great explanation, can't wait to listen to some other videos by you. I have a probability question. Lets say I am a trader, and I want to figure out the validity of? my winning percentage. If I know some variables related to my trading system, such as winning percentage, amount won and lost per trade, maybe variance, is there an equation that can tell me how many trades I need to to make to ensure my winning percentage is vvalid/relaible to a certain degree of error? Zola

i luv this guy man ...
By: MoveRed. on 21 Feb 12, 10:44:45
i luv this guy man makes everything easy to understand thanks for the great? videos

we? all know that ...
By: asif119khan. on 20 Feb 12, 21:26:48
we? all know that people these days people make videos about everything and anything

o? wow fomcl
By: godlyangel012. on 02 Feb 12, 15:36:17
o? wow fomcl

He gets heads 50% ...
By: Essencedx. on 24 Jan 12, 04:31:45
He gets heads 50% of the time... lucky? guy

Calculating the Probability of Simple Events
Posted by: patrickJMT

Video duration: 565 seconds
Global video hits: 127820

Calculating the Probability of Simple Events. In this video I show the basic idea and a few simple examples of calculating the probability of simple events! For more free math videos, visit PatrickJMT.com

Related: algebra, finite, probability, simple, events, and, or, conjunction, multiplication, principle, justmathtutoring.com, permutation, sat, act, medina, washington

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Latest comments made on this video:

Thank you for your ...
By: Anime1234Girl. on 28 May 12, 17:05:27
Thank you for your videos :) They're? so very helpful!

you teach?!?!?!!? ...
By: dante24816. on 27 May 12, 13:38:18
you teach?!?!?!!? your students? better apreciate that.....

I have no idea what ...
By: sometamell. on 22 May 12, 22:00:26
I have no idea what to? say.

I love people who ...
By: Hiphopisntdead1. on 22 May 12, 10:59:24
I love people who explain things simply, not like the asshole teachers in school who teach it the hardest way? possible to make themselves look smarter

Because those are? ...
By: blingyfresh. on 16 May 12, 19:26:54
Because those are? the only numbers a phone number could end with o.O

shouldnt you have ...
By: blingyfresh. on 16 May 12, 19:25:37
shouldnt you have factored in the possibility that the person might not have a phone?what would the probability be then?..your vids are really? helpful btw

why? is it from 0-9 ...
By: Ronaldoo91. on 14 May 12, 01:31:25
why? is it from 0-9???? there alot of numbers why 1 to 10

math is? stupid
By: ILuvLeopardPrint. on 12 May 12, 18:28:01
math is? stupid

I would be how they ...
By: Horselo285. on 02 May 12, 18:59:52
I would be how they land calculating from left to right (or right to left if thats how you are doing it). You would need to be reading in the? same direction each time you did a coin toss. If you are reading from left to right each time than HHT and THH are very different.

Thank you so much! ...
By: raspberry996. on 15 Apr 12, 13:25:04
Thank you so much! It really helped? :)

How does tossing ...
By: motheahmad29. on 14 Apr 12, 16:59:01
How does tossing the coins up at one time (simultaneously) vs doing it one at a time not make a difference in the set of all events? If? you go one at a time you can distinguish between HHT and HTH and THH based on what was first, second, and third. BUT you said "if you toss 5 coins into the air" meaning simultaneously then you can't distinguish between HHT, HTH, and THH? It Why doesn't it make a difference?????

Not to mention " ...
By: dansbling. on 12 Apr 12, 10:49:04
Not to mention "Getting? one head"

You had Sex in? my ...
By: chorizolover1. on 12 Apr 12, 03:35:49
You had Sex in? my bedroom?! And you can too :)

You explained it so ...
By: 32marcaline. on 29 Mar 12, 23:01:59
You explained it so well that I think I will be able? to do it in NJ ASK. Don't listen to what other people say about you, you know the ums and all. I think that they don't even want to learn the Math, you know. Anyway, thanks for helping me. :D

Ok the only reason ...
By: BIGBROTHERFAN1231. on 28 Mar 12, 00:11:57
Ok the only reason I even looked up this vid is bcuz in class my teacher looks up these videos and I just wanna say? MY GRADE 5 TEACHER IS VERY ANNOYING AND LOUD -Love Ravyn ;D xxxxx P.s hope we watch this one

Hey, thanks for ...
By: mondofxg. on 22 Mar 12, 16:08:28
Hey, thanks for this, we studied this in K-10, our curriculum is? pretty advanced when it comes to math and science.

this is helping? me ...
By: elizabethsausedo. on 22 Mar 12, 05:42:29
this is helping? me so much in my classes

THANK? YOU!!!!
By: n8tvca5. on 19 Mar 12, 19:49:42
THANK? YOU!!!!

Awesome brother ...
By: bxborijew. on 16 Mar 12, 02:07:43
Awesome brother thank you... ?

i also seen ...
By: wownonamesleft1. on 02 Mar 12, 16:00:41
i also seen roulette hit same number back to back 4? times = 38 x 38 x 38 x38 = alot

ive seen the wheel ...
By: wownonamesleft1. on 02 Mar 12, 15:58:18
ive seen the wheel on roulette hit red 14 times in a row and one of the employees said he saw it hit 21 times in a? row probability means nothing

thanks for the vid ?
By: chucktxranger22. on 28 Feb 12, 00:12:15
thanks for the vid ?

i think i will keep ...
By: patrickJMT. on 27 Feb 12, 15:15:45
i think i will keep up with my um's and you know's. thanks? though.

Nice lecture, but? ...
By: SweetlyDissonant. on 27 Feb 12, 01:01:24
Nice lecture, but? please work on your "um"s and your "you know"s! It's very distracting! :)

stats midterm? in 9 ...
By: Link64. on 06 Feb 12, 09:12:38
stats midterm? in 9 hours THANK YOU!!!!!!!!!!!

Probability 101
Posted by: vlogbrothers

Video duration: 513 seconds
Global video hits: 247262

In which Hank discusses the basics of probability, the art of finding meaning in randomness. And it's there, it's all over, everywhere! Master these simple rules and you'll always know what's coming...except not really. Thanks to Karen Kavett for the graphics! www.youtube.com

Related: math, algebra, probability, education, high school, hank green, vlogbrothers, dont forget to be awesome

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Latest comments made on this video:

I AM a beautiful? ...
By: opinionatedviolinist. on 29 May 12, 03:35:28
I AM a beautiful? snowflake!

I? was ...
By: chrisdrakekaka. on 29 May 12, 03:17:34
I? was procrastinating studying this :D

"May the odds be in ...
By: TomahawkTerror. on 29 May 12, 00:39:30
"May the odds be in your favor" Sorry guys.?

"unless you manage ...
By: LuvRoryWilliams. on 28 May 12, 19:06:46
"unless you manage to hop in your Tardis" I love? you guys

I? got heads on my ...
By: marly123451. on 28 May 12, 17:57:33
I? got heads on my 4-7 tries and tails all the rest

'You're a beautiful ...
By: AbiTheElephant. on 28 May 12, 17:47:43
'You're a beautiful snowflake.' That is possibly one of the best lines ever? ;D

Girl with the ...
By: digger4400. on 27 May 12, 23:26:03
Girl with the dragon tattoo is the yellow book? in background. It's a good book hank what's your opinion of the book?

2.34434912392805e- ...
By: Stereotuna. on 27 May 12, 02:22:08
2.34434912392805e-12?

"...because this ...
By: willdabeast0305. on 26 May 12, 04:52:17
"...because this video will probably be viewed tens of thousands of times..." 246,354 views, 6,343 likes, 4,709 comments. At least you can't say? fault him for bragging.

Actually, if you ...
By: MeisterJacke. on 24 May 12, 12:49:35
Actually, if you take all the pills, there's 4 antidote pills. We're taking 3 pills, which is less than the amount? that Hank implies will kill you from overdosing. Thus, we have why it's not calculated in the problem. :3

I understood the ...
By: CassesVultus. on 24 May 12, 07:18:21
I understood the point of the word problem. ? I was making a joke about the absurdity of word problems, please feel free to disagree.

That's not the ...
By: MadeofAwesome4ever. on 24 May 12, 05:46:38
That's not the point! If you were in a scenario like that, your instinct of survival would say "KILL THAT DANG THING BEFORE IT KILLS YOU!!!" The you in the word problem is not stopping to work it out; it's worried about survival! This? is a word problem! Through them, you demonstrate that you learned stuff! It's a teaching tool! Not meant to be taken too seriously!

he should write all ...
By: WhoLock13. on 23 May 12, 21:39:55
he should write all word problems, I would? have liked math :P

BSG reference :-D?
By: RutherfordvsEinstein. on 23 May 12, 13:57:30
BSG reference :-D?

unless you manage ...
By: unepommeverte17. on 23 May 12, 00:24:07
unless you manage to hop in your tardis. omg wow?

Then (by my ...
By: starwarslego123. on 22 May 12, 22:33:32
Then (by my calculations) you'd have a 56% chance? of surviving.

Since you never ...
By: GallifreyCovers. on 22 May 12, 20:37:32
Since you never specified a? maximum amount of rolls, 5,000,000,000. That gives you more than a 50% chance to roll a 1. Also, you're*

I flipped? a coin ...
By: GallifreyCovers. on 22 May 12, 20:25:20
I flipped? a coin 10 times and got 11 tails in a row. I accidentally a probability.

He said 48%,? he ...
By: InfiniteTim. on 22 May 12, 04:10:17
He said 48%,? he just wrote the 32%.

Unless 3 pills are? ...
By: InfiniteTim. on 22 May 12, 04:09:23
Unless 3 pills are? safe, but 4 would kill you.

Odds of surviving a ...
By: CassesVultus. on 20 May 12, 22:28:06
Odds of surviving a velociraptor? attack if I stop to do math problems before fighting back = 0%

60%? times 80% is ...
By: Bryanhmaloney. on 20 May 12, 17:46:28
60%? times 80% is 48% not 32%.....

Hank, I? like those ...
By: upperlupus1617. on 19 May 12, 20:28:09
Hank, I? like those odds

is it bad that i ...
By: FireLeafCon. on 18 May 12, 16:25:31
is it bad that i used this to study for the ap stats exam the night before? and also is it bad that? it helped a LOT?!

Basic Probability
Posted by: khanacademy

Video duration: 498 seconds
Global video hits: 211587

An introduction to probability

Related: math, chance, mutually, exclusive, events, cc_7_sp_5, cc_7_sp_6, cc_7_sp_7, cc_7_sp_7_a, cc_7_sp_7_b, cc_7_sp_8

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Latest comments made on this video:

probability of ...
By: Kami120CAP. on 29 May 12, 03:55:48
probability of getting head? it is really HARD? to GRASP that

It took me about 5 ...
By: taiden. on 28 May 12, 22:44:46
It took me about 5 minutes before I understood where the "probability of getting head" jokes? were coming from.

I C WUT U DID THERE?
By: billyt4515. on 13 May 12, 13:40:57
I C WUT U DID THERE?

??????
By: ??? ?????????. on 10 May 12, 05:52:57
??????

You're a very smart ...
By: apples743. on 03 May 12, 01:57:33
You're a very smart man, you should be proud of yourself,? it help me.

Clearly thought he ...
By: cheney026. on 28 Apr 12, 02:04:19
Clearly thought he says "heads"...not? head :D

lol?
By: cheney026. on 28 Apr 12, 01:45:14
lol?

you want to know ...
By: darcroom. on 24 Apr 12, 00:17:56
you want to know about probabilitys...check? out just follow the preceedure at thecollective23.weebly.com

Gays check out? how ...
By: nokkont. on 19 Apr 12, 18:43:21
Gays check out? how to become popular Russian invention /watch?v=Y-pztzYMasA&feature=g-upl&context=G2f02875AUAAAAAAAAAA

...Write something ...
By: Typhoon7SSBN. on 16 Apr 12, 20:03:05
...Write something funny and expect thumbing? up.

LOL probability of ...
By: yasminhabibty. on 14 Apr 12, 18:23:24
LOL probability of getting? head is the probability of how easy it is to sweet talk the woman.

Thank You.?
By: barry murtaugh. on 08 Apr 12, 04:52:10
Thank You.?

I love these videos ...
By: cugamer. on 07 Apr 12, 23:32:53
I love these videos and I'm learning so much but they seem to be out? of order, both here and the website. Can anyone point to a listing where the videos are in a correct order where new builds on material already covered? I'm finding that a lot of the videos assume skills which have not been covered in earlier videos.

u shaded? the coin. ...
By: junkheadrooster. on 18 Mar 12, 14:48:07
u shaded? the coin...3d!

What is the ...
By: EthioGQ. on 13 Mar 12, 01:35:50
What is the probability of? Khan appearing to 60 minutes?

????···?
By: daxisheng. on 11 Mar 12, 13:16:44
????···?

just brilliant it ...
By: 389300. on 10 Mar 12, 08:23:20
just brilliant it would help me a lot...?

Khan: "And see how ...
By: Waffle2472. on 08 Mar 12, 20:44:00
Khan: "And see how many are going to be heads," Me: WHAT ARE YOU GOING TO BEHEAD?!?!? Grandma: "Be HEADS. Me-Thinking; "Sometimes I worry about? myself." I then realize my Grandma's probably thinking the dame

Build Your Passive ...
By: louisbrassyyy. on 07 Mar 12, 14:24:00
Build Your Passive Income With? An Automated Internet Marketing System [ goo.gl\RXIRC]

????????????????
By: yukiyyy0218. on 03 Mar 12, 08:45:23
????????????????

wow i just wasted? ...
By: MyDarwin2009. on 03 Mar 12, 03:30:40
wow i just wasted? 8 minutes and 18 sec of my life in watching a video of something i already know . but thx anyways

calculate ...
By: 60mano. on 27 Feb 12, 11:20:59
calculate probability of 1000000 robots with 1M boxes of 1M alphabets and let them shaffle? them for 500M years- tell me can we get Hamlet by shakespear? Probability fails where intension-intellect comes in.

Thanks you very ...
By: ypsonar. on 26 Feb 12, 05:27:02
Thanks you very much ?

???????????? ?????? ...
By: iajdiasia. on 18 Feb 12, 08:27:27
???????????? ??????????????????? ??????????????????(???)? ????????????????????????? ??????????????????

??????????? ??????? ...
By: uno0304. on 14 Feb 12, 07:35:08
??????????? ??????????????????????? ????????????? ?????????????????

Math Made Easy: Probability
Posted by: jediteacher2007

Video duration: 214 seconds
Global video hits: 17064

Introduction to probability.

Related: math, made, easy, help, probability, chance, ratios

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Probability Video Lesson
Posted by: MaryFlores26

Video duration: 559 seconds
Global video hits: 9753

This is a video lesson on probability. It is just one of the linkages provided for the last project in Technology in Notre Dame of Maryland, Edu 577.

Related: probability, final, copy, for, real

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Math: Conditional Probability
Posted by: Stedwick

Video duration: 667 seconds
Global video hits: 51248

www.philipbrocoum.co m Using OJ Simpson as an example, I introduce conditional probability.

Related: math, conditional, probability, oj, simpson

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Latest comments made on this video:

Your actual ...
By: sirmatheusramos. on 21 May 12, 04:18:15
Your actual calculation should be: out? of 1000, 1 really have. out of 1000, 10 are false positives... 1/10=0.10% of chance.

This is bullshit, ...
By: Bart050384. on 03 May 12, 10:25:16
This is bullshit, there is no evidence for? that 90% of gay men have an STD.

Don't you mean? " ...
By: 123michaeljones. on 27 Apr 12, 09:13:18
Don't you mean? "lovely to have a homophobe here"! lol

what is harder ...
By: omhat. on 22 Apr 12, 23:59:37
what is harder combinatorics or honors geometry involving 15 step congruent triangle similar triangle proofs, secant concyclic proofs?I received an A in finite mathematics? do u think i can succeed in a rigorous honors geometry course?

I love the way you ...
By: SageSwan. on 19 Mar 12, 20:25:51
I love the way you talk. It's so dramatic, which? makes the lecture epic

Thankyou!?
By: zephyriffic. on 05 Mar 12, 13:28:53
Thankyou!?

1 out of? every ...
By: Stedwick. on 02 Feb 12, 01:11:55
1 out of? every 1000 people has HIV in my example, not 1%.

what ?? if people ...
By: linkchibi. on 18 Jan 12, 16:33:06
what ?? if people with HIV is 1% of 100,000 it must be 1,000 people with HIV not 100 people

I was simply? ...
By: CrowTitanium. on 07 Jan 12, 06:32:24
I was simply? making a point, which some people apparently can't see due to personal issues. I used CDC figures, which seem extreme to me but are accurate.

a) We weren't given ...
By: CMFangirl. on 07 Jan 12, 00:36:09
a) We weren't given that information. You have no method with which to apply that statistic (which sounds really unlikely, personally). b)It was? a math demo, for christ's sake. He didn't post the video to help you figure out whether or not you have AIDS.

15? people have HIV
By: MuikJuaggre. on 06 Dec 11, 02:08:07
15? people have HIV

A lawyer would take ...
By: MuikJuaggre. on 05 Dec 11, 22:50:32
A lawyer would take advantage? of that

Ha? ha, true that.
By: Stedwick. on 19 Nov 11, 13:53:14
Ha? ha, true that.

99% of trolls here ...
By: PatMurph245. on 16 Nov 11, 09:58:43
99% of trolls here are cynical arseholes 100% of the time.?

wow..thanks so much ...
By: MintedCoin. on 16 Nov 11, 03:49:19
wow..thanks so much. i couldnt really understand the khanacademy one on probability but this is? amazing!!! i cant thank you enough! thanks for dumbing it down for me, it makes sense now!

Gay isn't a race. ...
By: RedStateRoy. on 14 Nov 11, 03:44:29
Gay isn't a race. Perhaps "Homophobe" would be more accurate. But? good job on the math. Cheers.

dude, sick? video ...
By: RiverRockFilms. on 08 Nov 11, 03:03:14
dude, sick? video and all... but you need to get those voice cracks checked out

Nice...I'm not a ...
By: CrowTitanium. on 30 Oct 11, 21:11:56
Nice...I'm not a racist, and I never said? anything like that.

I was never ...
By: zoe745. on 30 Oct 11, 14:16:07
I was never specifically aware of this subject before I? watched the video. This is quite interesting. The only thing I managed to get right is the coin,. If only my teachers explained like you...

First, lovely to ...
By: Stedwick. on 30 Oct 11, 14:08:37
First, lovely to have a racist here with us (if 90% of gay? people had aids they would all be dropping like flies, lol), and second, yes, OBVIOUSLY if you have more information you can improve upon statistics. It's like if I said that any individual person has a 1% chance of dying this year and you said NO THAT'S WRONG because for somebody who's 95 years old their chance of dying is way higher, therefore you can't apply probability.

This seems like ...
By: GaijinNH. on 19 Oct 11, 19:07:27
This seems like nonsense...HIV isn't random. The percentage of people who have any STD is relatively low, but? the percentage of gay men who have an STD is over 90%. If you're gay, and you have a positive HIV test, your chance of actually having HIV is much higher than 9%. The circumstances of each individual change the odds. You can't apply the laws of probability so haphazardly.

i tried searching ...
By: GlBSDESIGN. on 11 Oct 11, 10:35:49
i tried searching this lesson, ( i'm not smart ) cuz i don't really get my maths teacher,. i dont fucking understand her at all. FUCK LIFE!!! anyways thankss alot. !!! :)?

I liked this ...
By: KaneAzlan. on 07 Oct 11, 15:20:31
I liked this because of the last bit of? ze video. Good explanation!

Also, I'm a ...
By: mydrum. on 11 Sep 11, 14:28:19
Also, I'm a sociology major? and this statistics explanation helped me nail a research probability paper. Tank u very much.

You had me at "O.J. ...
By: mydrum. on 11 Sep 11, 14:15:42
You had me at "O.J." Seriously, great? vid - great examples - clear as a bell (ding-ding-ding).

Probability - Tree Diagrams 1
Posted by: rfbarrow

Video duration: 367 seconds
Global video hits: 67388

How to use a tree diagram to calculate combined probabilities of two independent events

Related: math, probability, combined events, independent events, tree diagram

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Latest comments made on this video:

thank? you very ...
By: 2011iloveart. on 29 May 12, 03:42:49
thank? you very much, that was great :D!

I was doing Tree ...
By: Rockersnav1. on 14 May 12, 17:21:50
I was doing Tree diagrams from a textbook and I struggled to understand? why they added the fractions in some questions, but I understand it now. This video was really simple to understand and it helped me a lot, thanks for uploading!

IT MAKES SENSE. ...
By: S2MoonFairy. on 10 May 12, 12:20:50
IT MAKES SENSE. Thanks :D?

Thank you.Now tree ...
By: Najlaaa1988. on 28 Apr 12, 19:05:12
Thank you.Now tree diagrams seem so ? simple to me. XXXX

OHMYGOD.? I LOVE ...
By: FindCakeEatCake. on 25 Apr 12, 14:00:59
OHMYGOD.? I LOVE YOU. THANK YOU SO MUCH. I wish my maths teacher explained this as well as you do! =)

I agree with? ...
By: troyhopkins48. on 03 Apr 12, 00:00:08
I agree with? dizyvipr

Thanks aloooot , ...
By: aimankhmis. on 19 Mar 12, 09:33:44
Thanks aloooot , Now I really understand , I thought my Brian is blocked but you? gave me a hope

BECAUSE? TEACHERS ...
By: DizyVipr. on 02 Mar 12, 01:48:57
BECAUSE? TEACHERS ARE DUMBFUCKS THAT CANNOT EXPLAIN THINGS CORRECTLY !

Thanks this will ...
By: zipzap97. on 01 Mar 12, 22:05:09
Thanks this will help with my exam tomorrow? :D

thanks so much mate ...
By: DarkTorch87. on 01 Mar 12, 20:25:50
thanks so much mate, got an exam tomorrow and revising my? bad choices, this is really simple now thanks!!

Thanks helped? a ...
By: vanillasweetheart1. on 29 Feb 12, 21:38:58
Thanks helped? a lot :)

thanks? :D
By: XxFanpire4evaxX. on 24 Feb 12, 16:56:14
thanks? :D

Your videos? are ...
By: scarlettstutorials. on 19 Feb 12, 15:12:54
Your videos? are very helpful,

yes thank you very? ...
By: 1SavageDragon1. on 16 Feb 12, 15:28:20
yes thank you very? much

THANK? YOU
By: Karim1scorpion. on 20 Dec 11, 18:34:40
THANK? YOU

I have a test ...
By: Karim1scorpion. on 20 Dec 11, 18:28:00
I have a test tommorow and u basically just saved? my ass !!!!!!!!!!!

sounds like the guy ...
By: brightestsunlight. on 27 Nov 11, 19:27:55
sounds like the guy from Khanacademy, just with an accent! thx btw...very? helpful

Higher chance to be ...
By: teknown. on 15 Nov 11, 19:06:28
Higher chance to be a better teacher on youtube? than in your school?

Love it! The ...
By: cassandracollege. on 21 Oct 11, 00:00:01
Love it! The speaker reminds me of the depressed robot off the movie"Hitch Hiker's guide to? the galaxy"..lol

awesome, thanks?
By: zvichaita. on 20 Oct 11, 02:00:03
awesome, thanks?

The first pick is ...
By: rfbarrow. on 13 Oct 11, 19:36:29
The first pick is replaced. There are the same balls in the bag for the second? draw. If you don't replace then you have the situation that I describe in the second video Probability - Tree Diagrams 2. Take a look.

Never mind :p I ...
By: TheDroidSector101. on 13 Oct 11, 01:43:52
Never mind :p I just read? the question again, she replaces it

The second pick is ...
By: TheDroidSector101. on 13 Oct 11, 01:42:29
The second pick is wrong. Wouldn't it become 6/9? because we already picked blue leaving 6 other blues and a total of 9

wow tyvm sir, i ...
By: shadow36057. on 11 Oct 11, 00:00:54
wow tyvm sir, i have a test tomorrow and i didnt understand tree diagrams, u showing makes? it easy, tyvm!

Thanks. Macc??
By: deadhawk1212. on 03 Oct 11, 00:08:14
Thanks. Macc??

The Probability Of These Situations Occurring is 0.0000001%
Posted by: Umair6

Video duration: 92 seconds
Global video hits: 630264

Never Going To Happen Situation's.

Related: probability, accident, funny, commercial, wtf, what, are, the, of, that, happening, bank, robber, car, stupid, never, impossible

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Latest comments made on this video:

Naah, seems legit ...
By: elmukelmu10. on 28 Apr 12, 13:44:32
Naah, seems legit to? me.

You don't ...
By: sonofpikaia. on 06 Apr 12, 08:46:53
You don't understand? evolution!

Like? evolution...
By: smooveau. on 16 Feb 12, 03:11:50
Like? evolution...

u think ? wow ur ...
By: lazarosapoel. on 07 Nov 11, 13:32:06
u think ? wow ur very smart ?

It's actually 0%?
By: hystericxx. on 21 Oct 11, 09:25:18
It's actually 0%?

hahahhahahaa?
By: thehanz123. on 28 Sep 11, 20:10:21
hahahhahahaa?

this is? thai ads :D
By: TheNAMEwinTER. on 28 Sep 11, 13:45:07
this is? thai ads :D

LOL at the last one ...
By: Swizzyj3. on 23 Sep 11, 14:19:05
LOL at the last one ?

thank you captain ...
By: vladimirzakharov. on 23 Sep 11, 11:28:50
thank you captain obvious?

No? its 0.000001 ...
By: dreamerstays. on 05 Sep 11, 02:33:32
No? its 0.000001 real

really i thought ...
By: jm431. on 04 Aug 11, 18:26:00
really i thought this? was real

i hope ur fucking? ...
By: Palmen1990. on 27 Jul 11, 01:12:47
i hope ur fucking? joking

Was that tornado ...
By: Spencerh1279. on 25 Jul 11, 07:01:44
Was that tornado video real? That was crazy?

The last one it ...
By: Falc1NL. on 22 Jul 11, 11:48:41
The last one it thew best? commercial ever

no shit sherlock?
By: yeos01. on 08 Jul 11, 08:49:24
no shit sherlock?

Noooooooo...really? ...
By: RagexAnimal. on 03 Jul 11, 06:35:43
Noooooooo...really? Great think? Sherlock.

The probability of ...
By: mentalmaxkool. on 13 Jun 11, 15:35:00
The probability of ANY of these occurrences is much? smaller than that.

Funny? though!!
By: eliopoulosgiannis. on 02 Jun 11, 11:04:09
Funny? though!!

Actually? all three ...
By: KMWStudios. on 02 Jun 11, 08:42:54
Actually? all three of those things have happened to me, so...

Lmaoo?
By: Razndude. on 30 May 11, 01:22:08
Lmaoo?

Probability of ...
By: bwayne641. on 21 Apr 11, 07:23:29
Probability of people? on Youtube being ignorant, 100 %

no way man these ...
By: warlockplaya. on 19 Apr 11, 04:09:59
no way man these are all? real

Ouais apars le ...
By: MrIntezerium. on 18 Apr 11, 17:52:33
Ouais apars le truc? de la tornade quand même...

yeah true - stuff ...
By: jeebersjumpincryst. on 13 Apr 11, 09:40:58
yeah true - stuff can be pretty tricky with no body language. Its pretty obvious its a tongue in cheek comment tho, especially as its been rated up a bit. Anyway - look at you go! Your comment had not one, but two - TWO - excellent uses of sarcasm! There you go - you're up? up and away now, my friend! ;)

that is called ...
By: jeebersjumpincryst. on 13 Apr 11, 08:22:40
that is called sarcasm, and i really really really? hope yr comment was sarcasm too(u know it wasn't, though), otherwise u might just be the new winner of dumbest ppl u have ever seen contest... embarassing when one drops one of those intelligence free, hasty clanger comments. we will have to watch this space to see if yr comment is magically removed over the next few days lol. dont worry tho - im sure everyones done it at least once - im sure i have, anyways :)

Birthday Probability Problem
Posted by: khanacademy

Video duration: 796 seconds
Global video hits: 58069

The probability that at least 2 people in a room of 30 share the same birthday.

Related: probability, birthday

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Latest comments made on this video:

There were 53,917 ...
By: lzrd0113. on 14 Apr 12, 23:23:37
There were 53,917 views when I posted that comment. I knew what you meant when you said that, but it doesn't make a difference if people are making babies (aka having sex) or not. The probability of at least two people sharing the same birthday is not affected by how many people there? are. The probability is not affected by how many people there are. The probability of 2 people sharing the same birthday has nothing to do with how many people are on the planet. Have I said it in enough ways yet?

my scientific? ...
By: 2o1oAKQJT. on 12 Apr 12, 21:57:36
my scientific? calculator dont take into account of that high a number of factorials :(

Where did 53,917? ...
By: abennett4. on 12 Apr 12, 00:27:15
Where did 53,917? come from? My comment was meant to be humorous in that nobody watching a 13 hour video on a Birthday Problem would be having sex at the time. Lighten up!

No one asked for a ...
By: lzrd0113. on 11 Apr 12, 21:59:32
No one asked for a video 13 hours long. No one asked for another video at all. Also, just because 53,917 people are not having sex for 13 hours does not mean that it would complicate the problem any more, because the problem has nothing to do with how many people there are in the world, but how many people there are in a room? (or location or whatever other small place with less than 366 people).

I? was using a ...
By: jamesahibbard. on 11 Apr 12, 06:12:03
I? was using a benchmark date (1/1/1900) I can do each thing individually, it's not hard.

The significant ...
By: abennett4. on 10 Apr 12, 22:13:00
The significant change would be that? instead of this video last 13 minutes, it would last 13 hours. 13 hours of no one making babies thus complicating the birthday probaility problem even more.

A lot more lines of ...
By: abennett4. on 10 Apr 12, 22:09:11
A lot more lines of code, actually.? The simpler, more eloquent method is to simply set a benchmark (say 11/22/1963, a Friday) and just count forwards (Friday, Saturday, Sunday...) or backwards (Friday, Thursday, Wednesday...) until you reach the date in question. Much better!

I know? that leap ...
By: lzrd0113. on 10 Apr 12, 21:58:35
I know? that leap year does not occur every 4 years considering our year consists of something like 365.24blahblah days. And if you actually read my comment, I asked how one would go about accounting that into the problem to get the most accurate probability, and I did NOT say that it would change the answer significantly.

Let Monday be day 0 ...
By: jamesahibbard. on 10 Apr 12, 04:53:49
Let Monday be day 0 (Tuesday 2, Wednesday 3 etc.) X = (Year - 1900) DayCounter = X + X/4 - X/100 + X/400 Day = DayCounter modulo 7. That day is the start of? the year. There is a few other things to do, but it's not hard. just a couple of lines of code.

Sorry to get your ...
By: abennett4. on 09 Apr 12, 22:07:26
Sorry to get your dander, you're the one working on a 400 year cycle, not me. Anyway, what simple algorithm would you use to determine? day of week?

Thanku 4 ur help u ...
By: kaylaisapig. on 09 Apr 12, 20:23:47
Thanku 4 ur help u really helped me I really apperciate your help. like if he help u with this? and u now no what to do.

If 24/100 is ...
By: jamesahibbard. on 09 Apr 12, 15:19:02
If 24/100 is accurate enough, then? so is 1/4 I didn't think day of the week had anything to do with it either, it was just an additional factoid on the same topic. Congrats, I could write code for something like that pretty easily, so don't give me "I wrote code for the phone company" crap. Yes, I know it doesn't affect the problem posed.

It would not change ...
By: abennett4. on 09 Apr 12, 14:14:27
It would not change the answer by any significant amount considering the probibility of being born on leap year is approximately 1 out of 1,461. So he didn't actually forget a day. He forgot approximately (leap year does not occur every 4 years - there are exceptions? about 1 every 100 years) 1/4 of a day. To factor this all in would have made the problem too complicated and not have changed the answer significantly.

I know how leap ...
By: abennett4. on 09 Apr 12, 14:07:44
I know how leap year works. I wrote code for the phone company to determine day-of-week. But day-of-week has nothing to do with the probability problem. When I said " *about* 24 out of 100 years " it was an approximation (hense the word "about"). Last time I checked 24 out of 100 is approximately 97 out of 400. The point being, there being leap years does not? change the birthday probability by any significant degree.

My sister's ...
By: lzrd0113. on 01 Apr 12, 23:26:02
My sister's boyfriend was born on leap year. I think you forgot a day in your problem. How would you calculate the probability, considering? that a leap year only occurs every 4 years?

Those are 'factors' ...
By: Erpan. on 28 Mar 12, 18:06:54
Those are 'factors',? not 'terms'.

Me and my brother ...
By: manjunathpai24. on 22 Mar 12, 05:26:38
Me and my brother in law share the same birthday. My cousin sister and her brother in law share the same birthday. My very next neighbor in the town ? where I live have two kids sharing the same birthday even though they are not twins.

NO experience is ...
By: louisbrassyyy. on 07 Mar 12, 14:44:12
NO experience is necessary. There's no inventory to buy. You can work part- or full-time, as you choose. For about the same cost as a tank of gas,? you can be in business in minutes and earning more than you dreamed of in days. [ goo.gl\RXIRC]

do u? know how ton ...
By: garciakate90. on 22 Feb 12, 01:25:33
do u? know how ton write;0

lol dude you just ...
By: Domination584. on 14 Feb 12, 04:07:08
lol dude you just trolling or? what?

And that's assuming ...
By: Domination584. on 14 Feb 12, 04:06:23
And that's assuming no one else in? your class shared a birthday.

Yea but that's the ...
By: Domination584. on 14 Feb 12, 04:05:23
Yea but that's the correct answer. As he showed, about 30%? of the time no one in a class of 30 shares a birthday, so your classes help account for that 30%.

Hi, Thanks for ...
By: samedgecombe. on 04 Feb 12, 16:29:47
Hi, Thanks for your video. What tool are you using to make your video? I'm an? educator and this is a good tool for explaining stuff to students. Yours Sam

This is the ...
By: Nixarzius. on 26 Jan 12, 09:09:38
This is the Birthday? paradox, you can read about it on Wikipedia as well.

Surprising ...
By: DemonikOu. on 22 Jan 12, 23:32:38
Surprising conclusion! 70,63%, wow!! I guess it's even higher if we? take into consideration that more people are born on specific months..

Probability (part 2)
Posted by: khanacademy

Video duration: 594 seconds
Global video hits: 188280

Let's flip a coin.

Related: probability, cc_7_sp_5, cc_7_sp_6, cc_7_sp_7, cc_7_sp_7_a, cc_7_sp_7_b, cc_7_sp_8, cc_7_sp_8_a, cc_7_sp_8_b

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Latest comments made on this video:

hehehehe, Sal got ...
By: SolacePiano. on 28 May 12, 20:54:41
hehehehe, Sal got five heads? xD

what hardware and ...
By: uscaptainstraining. on 26 May 12, 20:41:21
what hardware and software do? you use to create these lectures. i develop online course content and its a very cool tool.

You know that how.. ...
By: IdentNone. on 25 May 12, 23:13:59
You know that how...? Give? me your crystal ball, brosky.

so?? We are all in ...
By: GreatVgnc. on 19 May 12, 20:07:14
so?? We are all in highschool...

OMG WHO? CARES
By: SuperBaconNinja. on 18 May 12, 13:55:31
OMG WHO? CARES

Yes? he did! lol
By: theamazinghikari. on 13 May 12, 17:59:06
Yes? he did! lol

im really ...
By: BLopsCustomGames. on 10 May 12, 23:33:40
im really struggling with math (C+) and I? see your videos, and it with so many, it shows that you are willing to make other people smart with or without freetime.

Thumbs up if you ...
By: TheSaTsero. on 08 May 12, 15:35:21
Thumbs up if you noticed? that he farted at 5:33 :DDDDDDDDDDDDDDDDDDDDDDDDD

Sal is? ...
By: sadhana96. on 04 May 12, 07:07:09
Sal is? intellectual ,caring and selfless and that is what matters; not his religion or his place of birth.

just because his ...
By: ronney2772. on 30 Apr 12, 04:04:58
just because his name is salman it doesn't necessarily mean he is Muslim. i know a bunch of people with Muslim name that are actually atheist and Christians and even Buddhist ?

dude he is indian ?
By: Natasha Varghese. on 26 Apr 12, 08:24:12
dude he is indian ?

yes he is muslim? ...
By: talk2ayaz. on 25 Apr 12, 10:12:02
yes he is muslim? from Pakaistan.

Mash Allah He is a ...
By: syedhedayat. on 25 Apr 12, 07:06:55
Mash Allah He is a Muslim! His full name is Salman Khan and people named? Salman are muslims.. Salman is a Muslim name.. :)

No head??????
By: 2fat2cpp. on 21 Apr 12, 17:31:05
No head??????

Gays check? out how ...
By: nokkont. on 19 Apr 12, 18:46:48
Gays check? out how to become popular Russian invention /watch?v=Y-pztzYMasA&feature=g-upl&context=G2f02875AUAAAAAAAAAA

lol What's the ...
By: thebirthdaycakes1. on 09 Apr 12, 03:31:52
lol What's the probability of not getting any head??

How do you know? ...
By: GameFrosts. on 29 Mar 12, 11:35:42
How do you know? he's muslim?

My brain hurts.?
By: SquiglySquigly. on 16 Mar 12, 05:28:41
My brain hurts.?

NO experience is ...
By: louisbrassyyy. on 07 Mar 12, 14:27:14
NO experience is necessary. There's no inventory to buy. You can work? part- or full-time, as you choose. For about the same cost as a tank of gas, you can be in business in minutes and earning more than you dreamed of in days. [ goo.gl\RXIRC]

sorry to say but ...
By: KALER22g. on 26 Feb 12, 13:30:31
sorry to say but didn't explain about the "OR" and "AND" rule, which ment "+"and"multiply"? respectively.

Thank you so much! ...
By: TycoMusicChannel. on 24 Feb 12, 04:42:09
Thank you so much! your voice? is like lucky dates!

I meant? = 1/32.... ...
By: sblizzy. on 14 Feb 12, 18:15:20
I meant? = 1/32....sorry

for us slower guys ...
By: sblizzy. on 14 Feb 12, 18:14:35
for us slower guys please explain on the 5 heads in a row equation how 1/2 to the 5th + 1/32? I was with you all the way until you? got to that...please help someone who really wants to learn this. Im going to go to school for ITM and in intro to algs they are stressing to learn probs and I'm determined!!

First time? I saw ...
By: adit2200. on 07 Feb 12, 21:02:16
First time? I saw Sal cuss. Why did he say"hell"

Oh, boy he got a ...
By: makbadwan. on 07 Feb 12, 15:43:50
Oh, boy he got a lot of heads. Better give? him a tail.LOL

$Calculating Probability - \" And \" statements, Dependent$

Calculating Probability - " And " statements, Dependent
Posted by: patrickJMT

Video duration: 336 seconds
Global video hits: 30862

Calculating Probability - " And " statements, Dependent Events. The basic idea and one complete example is shown! For more free math videos, visit htt://JustMathTutori ng.com

Related: algebra, finite, probability, simple, events, and, or, conjunction, multiplication, principle, justmathtutoring.com, dependent

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Latest comments made on this video:

5:04 did he just? ...
By: ?up??? Li. on 24 May 12, 02:57:01
5:04 did he just? flip us off?

Why don't we add? ...
By: abhinav6190. on 15 May 12, 14:33:10
Why don't we add? the two probability....why do we multiply them ?? Sum of probability is 1

Thank you so very ...
By: luvgirlism. on 06 Apr 12, 23:10:11
Thank you so very very much!!!!! I really appreciate you putting these videos up!!!!!!! :) ?

What is your ...
By: isamisam19. on 16 Jun 11, 19:06:17
What is your religion?

i have question ...
By: 112233mode. on 14 May 11, 00:56:03
i have question teacher :) ok y did u say at the probability of pick red ball it is 9/19 why u didnt say it is? 10/19 ?? becoz if he is gonna pick a blue one so the remaings will be 10 red and 9 blue and the total will be 19 so the probability of getting a red one will be 10/19 thx i hope u answer asap :)

????? thank you?
By: ss121ss121. on 10 May 11, 02:42:58
????? thank you?

THNX again! ? :)
By: EMINEM6890. on 16 Apr 11, 23:07:53
THNX again! ? :)

so I have a ...
By: buttercup6vic. on 15 Feb 11, 20:21:11
so I have a question....what do i do when i have three events that are dependent on each other? ie i have S: 10 red marbles and 6 blue marbles so what is the probability that I get 1 red and 2 blue marbles if i select three marbles randomly? I worked out first taking a red , then a blue with the reduced total sample space? and finally a second blue with reduced blue and reduced total sample space. but then this could happen in 3 sequences, do i * the results together or + results?

Yes definitely, the ...
By: 007myzorro. on 19 Dec 10, 16:50:47
Yes definitely, the united states of america is a great intellectual nation that i admire and this is for a great part due to people like you patrick and this compensates the excesses of that nation. Do so further please. Bernard.? Belgium. (my english is what it is, sorry but i speak with my heart and heart langage is universal..).

merci beaucoup de ...
By: 007myzorro. on 19 Dec 10, 16:46:28
merci beaucoup de votre dévouement et de la consatnce avec laquelle vous enseignez les maths, cette branche si importante!!!. on se sent bien quand on vous écoute!! bernard? from little belgium

wow.. i wish u were ...
By: nooshin159. on 15 Nov 10, 20:04:14
wow.. i wish u were my teacher..i would love learning things from u :D ur videoes were of great help to? me.. keep it up :)

I don't know if ...
By: rippertimmy3491. on 17 Oct 10, 07:42:05
I don't know if this means anything to you, but you are? a 100 times better than my UCLA math professor.

thanks Patrick this ...
By: monti369114. on 12 Oct 10, 12:49:01
thanks Patrick this very helpful, keep the good work!?

Huh? U? serious?
By: GroundwarZeroHour. on 14 Sep 10, 15:37:21
Huh? U? serious?

ha,? hope it is ...
By: patrickJMT. on 27 Jul 10, 02:11:35
ha,? hope it is going well!

patrick you are my ...
By: Jarrodmontelius. on 16 Jun 10, 23:29:11
patrick you are my 105 mathamatics teacher. Since my real one sucks lol,? ty your style of teaching is very easy to follow.

thank you sooo much ...
By: mahriahmac. on 25 May 10, 23:12:14
thank you sooo much! you make it? easy to understand! haha

Very, very? helpful ...
By: JMShuffield. on 21 May 10, 14:06:00
Very, very? helpful! Thank you!

Yeah, but well, ...
By: THEAZBLINK. on 23 Mar 10, 03:23:13
Yeah, but well, he's working you know, assuming that the first one would be blue. As he said "If we draw the first one and it was blue, what is the probability that we'll get a blue? one again in the second time?"

THANK YOU SO? MUCH! ...
By: djhuab. on 09 Mar 10, 21:17:57
THANK YOU SO? MUCH!!!!

thank you!!?
By: ethereal204. on 07 Mar 10, 06:25:07
thank you!!?

Thanks? for your ...
By: TheDiscriminant. on 25 Jan 10, 14:05:38
Thanks? for your kind sharing! It helps me a lot

If you do not draw ...
By: blackha368. on 11 Oct 09, 12:27:58
If you do not draw a blue marble on the 1st try, the probability of drawing 2 blue marbles becomes 0. That is why you assume you are successful the 1st time when? finding the probability.

Thank You!?
By: HEYARNOLD5. on 24 Aug 09, 21:11:45
Thank You!?

$Calculating Probability - \" And \" statements, independent$

Calculating Probability - " And " statements, independent
Posted by: patrickJMT

Video duration: 484 seconds
Global video hits: 50312

Calculating Probability - " And " statements, independent events. I show the basic idea, formula, and two examples! For more free math videos, visit JustMathTutoring.com

Related: math, algebra, probability, and, statements, independent, exclusive, example, combination, permutation, justmathtutoring.com

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Latest comments made on this video:

1/6th?
By: Hiphopisntdead1. on 22 May 12, 12:29:22
1/6th?

yes. or if? you're ...
By: manyourisms. on 21 Apr 12, 17:41:42
yes. or if? you're a hillbilly you could say "every three thousand three hundred some odd days"

how'd you? do on ...
By: jackierobinsonfan. on 15 Apr 12, 22:24:20
how'd you? do on the test? :D

you said "every ten ...
By: Alefia22. on 19 Mar 12, 08:11:27
you said "every ten thousand days or so you would expect that my car wont work and I will? have to walk in a rain" but probability is 3/10 000 wouldn`t it be more correct to say that there could be 3 days in every 10 000 days when you will have to walk in a rain?

doctors save lives, ...
By: Iwantkababnow. on 13 Mar 12, 23:10:50
doctors save lives, this? guy saves grades

HE LIVES IN? TEXAS! ...
By: makbadwan. on 19 Feb 12, 17:24:08
HE LIVES IN? TEXAS!!!!!!

You know guys, ...
By: makbadwan. on 19 Feb 12, 17:22:14
You know guys, learning on the internet is waaaay better than school and it may? leads on to something....

Stats midterm in 8 ...
By: Link64. on 06 Feb 12, 09:30:24
Stats midterm in 8 and a half hours thank you!!!!!?

thanks :)?
By: kurniautami. on 27 Jan 12, 14:50:22
thanks :)?

thank you you are ...
By: JayUchiha17. on 09 Dec 11, 14:57:51
thank you you are amazing .... just? made my life a whole lot simpler

I Thank God for ...
By: EvilDemon28. on 17 Aug 11, 12:25:51
I Thank God for giving you to the world. My Six sigma? sucks, and you are my hope.

Love your style... ...
By: glendaledgister. on 27 Jul 11, 21:43:18
Love your style... understood? stats for the first time... Want to see more of your videos

Best explanation I ...
By: ZZsMommie. on 18 Jul 11, 05:03:20
Best explanation I have? encountered so far.

fuck*?
By: mnoboru51. on 19 May 11, 23:13:17
fuck*?

shut your ass the ...
By: djhuab. on 19 May 11, 08:15:32
shut your ass the fuc up... i just forgot to type for,? you dumbass!!

i? bet your english ...
By: mnoboru51. on 17 May 11, 05:26:23
i? bet your english teacher didn't do a very good job either..

THNX WOW?! it's ...
By: EMINEM6890. on 16 Apr 11, 23:09:06
THNX WOW?! it's really easy but i freak out and forget when it comes to tests? or quizez

fucking thank you ...
By: DarkDreamer31. on 15 Mar 11, 18:07:36
fucking thank you for this. i have the same thing for Dimidoki LOL one? love mate

i have to say just ...
By: shaduken122. on 04 Mar 11, 02:20:09
i have to say just one thing..... I AM SO HORRIBLE AT PROBABILITY and i have? a test tommorow and i think i may be screwed

thank? you for ...
By: MNBTM. on 14 Jan 11, 02:45:17
thank? you for these. i have ap stat 1st thing in the morning, and i'm not a morning person, nor a math person so THANK YOU!!!!!

Wow now I am? for ...
By: Bammjr97. on 13 Oct 10, 21:50:39
Wow now I am? for sure that I get this your a great teacher!!!

thank you so much!?
By: jammy123ism. on 03 Oct 10, 17:45:11
thank you so much!?

this video's just ...
By: roshdidwhat178. on 30 Aug 10, 14:50:06
this video's just great! I do have my Statistics exam tomorrow and guess what? Never in my teacher's discussion did I pay attention. So what now? I'm suffering.? Well thank you for this one, it will help me a lot for tomorrow's exams. Ciao!

thanks? a lot..
By: athushi2. on 19 Jul 10, 15:16:07
thanks? a lot..

one? word: ...
By: HeadShot360IN. on 26 May 10, 01:55:46
one? word: subscribed

Mega Millions Jackpot Probability
Posted by: khanacademy

Video duration: 330 seconds
Global video hits: 58913

Probability of winning the Mega Millions jackpot

Related: probability, combinations, choose

Display Video Comments | Hide Video Comments | Add Comment

Latest comments made on this video:

There is ZERO ways ...
By: Robbob9933. on 09 May 12, 03:29:09
There is ZERO ways to game random? events. The results of one drawing session are completely independent from another. That said, the odds, calculated in this video are for drawing of any number in general. Odds and probability are not exactly the same. Example, while the odds of any set of the five numbers is around 3.8 million, the probability of them being consecutive is much more distant.

suck my? balls. ...
By: MJ8286. on 09 May 12, 03:20:27
suck my? balls. this guy addicted to math.

....Fuck the ...
By: GodOfTheSouth. on 09 May 12, 02:37:33
....Fuck the lottery?

LOL?
By: TheLebronbron. on 05 May 12, 07:27:19
LOL?

Every time i see ...
By: plantera07. on 04 May 12, 14:59:11
Every time i see someone make that correction, i? say "thaaaankyou" in my head like Stewie when Chris tells Brian "well, we have to look at your anus all day".

If the likelihood ...
By: TheCrimsonLion. on 04 May 12, 14:17:33
If the likelihood of an event is not 0 than yes, by definition that does constitute a chance of the? event happening, but that's based on a zero to infinity timeline. A) I don't play lotteries B) I'm not american so i couldn't enter anyway c)"So your saying there's a chance?" is a movie quote

He says you're ...
By: adnanymous9. on 04 May 12, 12:33:25
He says you're twice as likely to get struck by lightning than winning a mega? jackpot. Does that constitute a 'chance'?

What would? be the ...
By: mattcky2876. on 30 Apr 12, 22:46:46
What would? be the Expected Value of the purchase of one ticket?

Let's just say you ...
By: noahjonathan1. on 30 Apr 12, 08:23:01
Let's just say you could get a 5 line ticket printed every second. It would take almost 407 days for 24 hours a day to print off that many tickets at one location. Then you have to take in to account that they would run out of paper and the time to fill out the tickets. If filling out the tickets took you 30 seconds each, and you filled them out non-stop until finished, it would take you over 61,000 days? or a little over 167 years. By that time, gas will cost you $650,000,000/gallon. =P

what program is ...
By: A1V1Productions. on 29 Apr 12, 02:14:32
what program is this? made in? like what program was he writing in

i have have brought ...
By: TheCrimsonLion. on 26 Apr 12, 00:21:20
i have have brought shame upon? my famiry. (commits seppeku)

You 're...? Khan- ...
By: ashley78967. on 25 Apr 12, 21:27:29
You 're...? Khan- Make English vids (the people obviously need it).

I'll chance those ...
By: hexkwondo. on 22 Apr 12, 01:09:33
I'll chance those odds because in one of those parallel universes where the other me plays, he wins. But if he loses... Then there is a chance for him to think about me? if I happen to win the jackpot.

@tctqgfg you will? ...
By: jonybravo16. on 21 Apr 12, 09:43:30
@tctqgfg you will? remember that i have been looking for a way to beat lotto for years, this is still a little hard to swollow, but ive finally found a way to beat the system and am up 1800 in the last weeks watch the video here >> bit.ly/Juh85Z?=jmjpu

Amazing?
By: espadaxin2. on 17 Apr 12, 01:29:09
Amazing?

Well, First, there ...
By: Biomable. on 14 Apr 12, 03:08:49
Well, First, there is major taxes if you win the lottery. Winning 650 million will send you home with 300 million or less, second of all, good luck trying to find someone to sell you 175 million tickets, third of all, that doesn't account for if someone else wins too. If the odds are 1 in 175 million and the prize is 650 million, then they are probably making their money back and selling more then 650 million tickets. If that is? the case, your chance of being the only winner is really low.

you write neater ...
By: chris1234667. on 13 Apr 12, 07:33:38
you write neater with a mouse than i? do with a pen. thank you for the confidence btw :P

Sal, please make a ...
By: brco2003. on 11 Apr 12, 07:22:46
Sal, please make a video on the potential payoff of the lottery (even post facto), taking into? account marginal tax rates.

Combination ...
By: gaieve. on 10 Apr 12, 21:36:04
Combination generator yo. Circling them on the entry? would be a bitch thought =/

@gaieve Okay thank ...
By: SirBurningGarbage. on 09 Apr 12, 06:16:30
@gaieve Okay thank you do much, I'll just loan all that money? and spend the next 100 years writing all those numbers down

Oh thanks?
By: youcantspeak. on 08 Apr 12, 13:29:56
Oh thanks?

If you move? with ...
By: BlueWolfSlovakia. on 08 Apr 12, 11:58:39
If you move? with pen slightly above tablet surface it still recognize its movement but wont draw lines. So yea... it doesn't prove anything and he is probably using tablet.

I wonder if you ...
By: FortNikitaBullion. on 08 Apr 12, 10:41:50
I wonder if you could pool together money from investors and then buy? all the tickets.

You are probably ...
By: youcantspeak. on 06 Apr 12, 14:41:56
You are probably right. But you can clearly? see he's moving around with the cursor when he's not drawing anything. I've never drawn using a tablet so maybe this doesn't prove anything

Probability Density Functions
Posted by: khanacademy

Video duration: 602 seconds
Global video hits: 244213

Probability density functions for continuous random variables.

Related: random, variable, continuous, probability, density, function, cc_7_sp_7_b

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Latest comments made on this video:

greatly explained? ...
By: paoki001. on 24 May 12, 02:49:27
greatly explained? ..

definitely got me ...
By: vicwootenisgod. on 22 May 12, 16:40:49
definitely got me through 1st? year in university that is for sure!!!!!!!!!!!!

I think this is the ...
By: imnumber142. on 18 May 12, 01:06:59
I think this is the first time I have watched one of your videos where you didn't use all the colors in the palette. And I've watched a? lot of your videos

I find the lecturer ...
By: zhenminliu. on 18 May 12, 00:15:36
I find the lecturer very interesting and humorous. Who? says Stats has to be boring. Thank you!

i? love you
By: sneakysesal. on 07 May 12, 14:20:39
i? love you

the rain example ...
By: StuartClitheroe. on 17 Apr 12, 20:00:36
the rain example is? the exactly what my lecturer used but it wasnt as good from her because she is a crazy little lady with broken english

ur too repetitive.. ...
By: Victoria Belevan. on 14 Apr 12, 01:56:30
ur too repetitive.......... please try to get to the point? -____-

60 percent? of ...
By: 2o1oAKQJT. on 13 Apr 12, 10:44:58
60 percent? of getting a head tonight.

great video.?
By: roxferesr. on 09 Apr 12, 14:00:41
great video.?

Why don't we just ...
By: Ecoshan. on 01 Apr 12, 10:55:57
Why don't we just put a video? of you on instead of having teachers. Make things a lot simpler.

This video leaves ...
By: DCitizen. on 27 Mar 12, 01:12:40
This video leaves alot? to be desired.

Thank you, You save ...
By: vickicharles. on 26 Mar 12, 07:29:18
Thank you, You save my life. Three months in stat class and I learned nothing, 12 minutes of watching and listening to you, I was able to comprehend statistic and fall in love with it. Thank? You and God Bless you!

one? point NEIN ...
By: ZecaGalha0. on 18 Mar 12, 18:09:49
one? point NEIN NEIN NEIN NEIN NEIN

Thank you.? That's ...
By: junk4dimeji. on 09 Mar 12, 01:17:39
Thank you.? That's all I can say

Thanks Khan, God? ...
By: elmab777. on 08 Mar 12, 16:53:48
Thanks Khan, God? bless you!

NO experience is ...
By: louisbrassyyy. on 07 Mar 12, 14:44:44
NO experience is necessary. There's no inventory to buy. You can work part-? or full-time, as you choose. For about the same cost as a tank of gas, you can be in business in minutes and earning more than you dreamed of in days. [ goo.gl\RXIRC]

Thanks Good? Guy ...
By: lespaulbass. on 26 Feb 12, 10:02:13
Thanks Good? Guy Khan!

Just brilliant? ! ...
By: angshu010. on 25 Feb 12, 21:43:21
Just brilliant? ! ThanksSal !

1. How much does ...
By: drbandar. on 17 Feb 12, 04:28:38
1. How much does the area under a continuous probability density curve measure? please i? need answer for this question

don't discrete? RVs ...
By: StreetSpoken. on 07 Feb 12, 11:41:26
don't discrete? RVs have to be countable and not necessarily finite?

Around 6:00, when ...
By: 078matthijs. on 02 Feb 12, 19:27:03
Around 6:00, when Sal began with doing a bit of Calculus, I smiled. I know Calculus because of the Khan Academy!! I know so much because of the Khan? Academy. And it makes me so happy knowing that there are superb lectures out there on which I can rely. Next semester I'm starting with Statistics, unfortunately the teacher is terrible, so thank you Sal for these videos.

thank you? very ...
By: alli4earth. on 01 Feb 12, 17:31:37
thank you? very much.......... a sweet and short lecture......

is it possible to ...
By: d1o2c3t4o5r. on 23 Jan 12, 00:26:03
is it possible to calculate the 4+ inches of rain probability by doing 1 minus the 0 to 4 inches chance?? or is that just wrong?

How did you ...
By: mrfingersss. on 22 Jan 12, 09:03:14
How did you conclude that the amount of rain is with? normal distribution ?

Probability (part 3)
Posted by: khanacademy

Video duration: 606 seconds
Global video hits: 135509

More on probability.

Related: probability, cc_7_sp_5, cc_7_sp_6, cc_7_sp_7, cc_7_sp_7_a, cc_7_sp_7_b, cc_7_sp_8, cc_7_sp_8_a, cc_7_sp_8_b

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Latest comments made on this video:

I'm sorry i don't ...
By: 123donnesha. on 03 May 12, 17:22:17
I'm sorry i don't speak ghetto. Could you say it in English please or maybe French that's my second language, i cant seem to get pass all the profanity. As for mothers, your's must be pretty ashamed at the type of child she raise. You have no class what? so ever, I'll even bet you were raised in the slum. You have a nice day i was raised way better than you were. so i can see ignorance as well as ignored it!

you mother is? my ...
By: wiwiudiuhne. on 01 May 12, 22:59:07
you mother is? my whore, bitch!

i saw your profile ...
By: wiwiudiuhne. on 01 May 12, 22:58:48
i saw your profile pic, and if you are the one in that pic, i feel sorry for you and i won't comment anything bad, because you are so ugly and look so lesbian that i don't want to contribute to your mental issues. But if that is not you, please keep reading mother? fucker, don't you know that i fuck you mother every night, you own me some respect bitch I'm like you father! nigger mother fucker! & as you stepfather i order you to suck my cock! & pls get a job, it seem you have too much free time!

actually its the ...
By: 123donnesha. on 01 May 12, 21:12:10
actually its the same probability? of you growing up!!! not likely considering your comment

ILOVEYOU?
By: shikamarusgenius. on 27 Apr 12, 00:36:28
ILOVEYOU?

Gays check out how ...
By: nokkont. on 19 Apr 12, 18:47:05
Gays check out how to become popular Russian? invention /watch?v=Y-pztzYMasA&feature=g-upl&context=G2f02875AUAAAAAAAAAA

Thank you so much, ...
By: yourfavouriteuser. on 18 Apr 12, 10:53:14
Thank you so much, two weeks left till the exams and I would be completely screwed? if not these videos.

NO experience is ...
By: louisbrassyyy. on 07 Mar 12, 14:27:43
NO experience is necessary. There's no inventory to buy. You can work part- or full-time, as you choose. For about the same cost as a tank of gas, you can be in business in minutes and earning more than you dreamed of? in days. [ goo.gl\RXIRC]

Thanks? for helping ...
By: TycoMusicChannel. on 24 Feb 12, 04:50:53
Thanks? for helping me pass math!

go to brightstrom ...
By: 420bindas. on 20 Feb 12, 08:57:34
go to brightstrom channel u will easily understand probability he is making? confused???

you sound? like a ...
By: HazelnutFrappe. on 19 Feb 12, 07:55:11
you sound? like a whore...?

the probability of ...
By: wiwiudiuhne. on 14 Feb 12, 12:46:24
the probability of you giving head is? 100%

you know, it's ...
By: SushantBhargav. on 07 Feb 12, 15:21:13
you know, it's actually a valid question it's answer? lies in fractal theory

Cool calculator ...
By: Slackerx89. on 29 Jan 12, 09:53:48
Cool calculator move?

answer: ?/? .. ...
By: DarkLuster007. on 27 Nov 11, 05:26:50
answer: ?/? ..lololol?

probability? of not ...
By: victim0001. on 19 Oct 11, 00:15:55
probability? of not getting head is very high

i understand that ...
By: eurojoe9. on 03 Oct 11, 00:32:06
i understand that for example when your looking at getting "exactly one head" but what if your looking at bigger numbers like 120? when you don't have time to type out all of the possible outcomes on an exam. is here a formula that you can use to determine the total possible outcomes?

infinity over ...
By: SyaukatTeh. on 28 Jul 11, 12:07:43
infinity over infinity? cuz its never ending.. you flip? till like forever so there is forever results.. lol?

negative infinity ?
By: Franchan10. on 23 Jul 11, 15:26:12
negative infinity ?

omg this just? made ...
By: benjtoa. on 04 Jul 11, 17:56:09
omg this just? made sense!!!

If you have? a TI ...
By: pattttttrick. on 03 Jul 11, 06:00:35
If you have? a TI calculator, you're allowed to download an emulator with the rom corresponding to your TI.

I like? orange juice
By: meschool. on 24 Jun 11, 16:19:10
I like? orange juice

What's the ...
By: iamtheplauge. on 05 Jun 11, 23:13:12
What's the probability of? getting no tails when you flip an infinite number of times? Whoever can answer this gets a cookie. :)

your? writing is ...
By: absar45. on 16 May 11, 17:43:23
your? writing is worse

lol? that calculator
By: djjmria. on 09 May 11, 21:01:39
lol? that calculator

Introductory Statistics - Chapter 4: Probability
Posted by: perdiscotv

Video duration: 585 seconds
Global video hits: 39276

A video summary of chapter 4 in Perdisco's Introductory Statistics 360Textbook. To find out more, visit www.perdisco.com/int rostats

Related: probability, formalizing, calculating, conditional, bayes, theorem, introductory, statistics, stats, introduction, intro, learn, learning, lecture, tutorial, lesson, perdisco, perdiscotv, perdisco.tv

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Probability (part 4)
Posted by: khanacademy

Video duration: 599 seconds
Global video hits: 99468

More on free throws.

Related: probability, cc_7_sp_5, cc_7_sp_6, cc_7_sp_7, cc_7_sp_7_b, cc_7_sp_8, cc_7_sp_8_a, cc_7_sp_8_b, cc_7_sp_8_c

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Probability using Combinations
Posted by: khanacademy

Video duration: 550 seconds
Global video hits: 81281

Probability of getting exactly 3 heads in 8 flips of a fair coin.

Related: probability, combinations, coin

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probability 0.0000001 %
Posted by: RowanOtten

Video duration: 30 seconds
Global video hits: 486236

Commerical from the Bangkok insurance company: probability 0.0000001 %

Related: car, auto, funny, bangkok, insurance, tire, wheel, bounce, probability, chance

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SSS (10of14) - ESP and Probability
Posted by: shwooddotcom

Video duration: 584 seconds
Global video hits: 35060

from Brian Brushwood's lecture, Scams, Sasquatch and the Supernatural. Brian talks about why we believe in ESP, how to properly test for it, and explains why amazing coincidences are BOUND to happen to us. Learn More about Brian, his lecture, and his "bizarre magic show" at www.shwood.com

Related: brian, brushwood, esp, skeptic, probability, coincidence, psychic, predictions, extra, sensory, perception, scam

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Conditional Probability Venn Diagram
Posted by: SomaliNew

Video duration: 265 seconds
Global video hits: 19767

Conditional Probability Vann Diagram

Related: conditional, probability, vann, diagram

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