Title | : | Coin flipping probability | Probability and Statistics | Khan Academy |
Lasting | : | 9.20 |
Date of publication | : | |
Views | : | 818 rb |
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Who is here trying to jam everything in you’re brain😂😂 Comment from : Energy |
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One person, one coin, first flip 50/50 chance What if you change the coin, or the person, or both on the next flip? If both, would that not change the probability back to 50/50? Comment from : dean aldridge |
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My kid doesn’t understand anything about this Make probability easier Comment from : Mrs Sims |
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i really cant understand the lesson when it comes to tossing a coin Comment from : 11-BERKELEY ROY, YURIAH KELLY |
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I'm just trying to get either 5 heads or tails in a row Seems impossible lol Comment from : Gerald Collins |
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V1 Comment from : Mark Red |
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Let's saybrWe have a betbrI have chance to flip coin #3 times to bet head or tail ( even if it has only 2 sides)brHow many percent of winning chance I have to bet head or tail? Comment from : Baker World |
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sorry but you talk too much and fast Comment from : ayman kizito |
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I did it by accidentbrbrbrbrbrbrShould've recorded Comment from : Toxic GD |
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I dont understand iam 6th class my name is Apranav Comment from : Laxmikanth |
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I was kinda stuck there You saved my time Comment from : JuBaer AD |
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What if it was Bitcoin instead Comment from : Oskar Kahar |
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Cap Comment from : Oskar Kahar |
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Bills studying this next year Comment from : gabebateman |
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Most people say that if you flip a coin you have a 50 chance of landing of heads, and a 50 chance of landing on tails But some peoples say you have a 51:49 chance depending on the side the was upright Well both of these theory’s are wrong When flip a coin you have to account for every possible situation that could happen There are actually 3 possible outcomes of flipping a coin The first outcome is landing on heads The second out come is landing of tails The third outcome of flipping a coin is actually landing on the side, with both head and tails facing sideways Now as we know this is more rare for this to occur But how rare? And how does this change the probability of a coin landing on head vs tails Comment from : Jerry the duck |
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A lucky friend…used to wanna see the coin just before flipping…he’d call the bottom of the coin…if math explained life… why did Einstein mention God… Comment from : Brett Unger |
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Very simple question: I flip a Coin twice, what's the chance to get the same result twice? Comment from : Sergio M |
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my head hurts Comment from : she is tranquil |
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Nice tutorial - friendo Comment from : कृम्शन स्ट्राइकर |
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Can someone explain to me why the answer to this question is 4?brbrApple got coins from his pocket which accidentally rolled on the floor
brIf there were 16 probable outcomes, how many coins fell on the floor?
brbrThe answer is 4 Just wonder how the answer was gotten Comment from : Hannah |
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Surely there is a way to do this without writing everything out There must be formulae for that Comment from : Hannah MacIntosh |
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thanks a MILLION, i needed thisssss Comment from : Madeleine Lavelle Ericsson |
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I remember this I learned it from here Comment from : RumpelstillKills |
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I guessed 19 coins in a row Kiss my face 😚 Comment from : nothingtralala |
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Heads or tails, a tossed coin, a metaphor for the uncertainties of life Of course, the wise player, always cheats Comment from : hey bro |
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What are the odds probability that brComputer glitches only help Biden ? Comment from : Him Bike |
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My maths teacher should just play these videos Comment from : availablehage |
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What if it land on the edge? Comment from : 43Cubes |
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You have a 1 in million chance You try a million times My math says 64 percent chance of winning Is that correct? Comment from : Cant think of name Yeah |
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Thank you Comment from : BLX gaming |
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thank you! i get it now Comment from : aurora |
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8:28 Comment from : Katu |
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how many times should a coin land on heads if you flipped it 20 times Comment from : Xuân Thủy |
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Anyone watching this before exam2020brThumb upbr👍👍👍👍 Comment from : NITiAN |
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B Comment from : jestbrain e |
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Good Morning You said 3 flips where did the 8 counts come from? Comment from : Elijah Jean |
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So Gavin is right Comment from : TeamJella |
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So what if something has a 18 chance of happening, and you try 2 times, what would your chance of succes be? Comment from : Anders Pickardt |
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Remake the video when you're not drunk Comment from : Mighty Red Stallion |
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You are amazing! Comment from : Mariam |
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What is the probability of getting a girlfriend? Comment from : Fun Hax |
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What's the probability of getting 6 of the same sides in a row in 100 coin flips? Comment from : Benawa Java Permadi |
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So can you tell me if this is right?brSay I want to know the prob of having at least one boy if I have __ kidsbrFor one kid, the poss are brbbrg so 50brFor two kidsbrgbbrbbbrggbrbg so 3/4brbrbrFor three kids brbgbbrbggbrgbgbrggbbrbbgbrgbbbrgggbrbbb so 7/8 Comment from : J_ 524 |
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I am a professional equities trader and these same concepts are used for trading probabilities This is my first time on your channel so if your not already a trader perhaps you should look into it Trading is all about probabilities and really just a numbers game, seems like you might be quit good at it Comment from : Clever Response |
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Why does he multiply 05 *0,5*0,5? It doesnt make sense in my head, why isnt it 2 when there is two posibilyties each time? Comment from : Shila Tz |
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Sir please brSee herebrbrbrA fair die is tossed eight times Probability that on the eight throw a third six is observed is Comment from : Aashish Sah |
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Okay but I'm not going to write 1/2 * 1/2 * 1/2 5184 times Is there not a way to write that in a simpler way? Comment from : Kevin Frost |
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Here is where i start going wrong:brWhat is the the prob of at least 1 H if we flip a coin 3 times? brbrP(1H) + P(2H) + P(3H) br1/2 * 1/2 * 1/2 (Prob of H on 1st * Prob of tails on next 2) br+ 1/2 * 1/2 * 1/2 (Prob of H on 1st 2 * Prob of tails on next 1) + br1/2 * 1/2 * 1/2 (Prob of all H's)brbrI know I'm missing a combination or permutation somewhere :( Comment from : Jeff Ciaccio |
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Scenario restarts at the beginning each time 50/50 Comment from : Bob Hart |
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essentially, you could have done: (1 - (1/2)^10)*100 Comment from : Joseph Kreifels II |
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Find the probability that it took exactly 10 flips Comment from : Pawan Jadhav |
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Ok so how exactly did you get one half Comment from : sippy pepsi |
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What about edge? Comment from : Logan Def |
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Thc Comment from : ThinkPink DC |
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Nice math there! Does someone know how to code this probabily in R? Comment from : Danilo Katzaroff |
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Most of the relationships of today have 099 probabilty of breaking up one day in future Comment from : a |
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Sal is one of the most hardworking men on this planetHats off sal Comment from : a |
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This is super useful to know for blackjack :P Comment from : Andrew Dixon |
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anyone wishing to test themselves on this, work out the probability of not getting a 6 in 3 rolls of a fair 6 sided dice Comment from : Ludwig |
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Thank you for helping me out😃 Comment from : Evan Rai |
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😎 loved it Comment from : G S |
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isn't it 099 ? Comment from : Alin Apostol |
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Having a hard time in stats trying to find the probability of getting a head Comment from : Obese Gaming |
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What is the probability of me getting a head on youtube Sal? Comment from : Obese Gaming |
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what is the probability of having an alien friend? Comment from : Jaczad |
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what is the sample space for 10 coins tossed together?? Comment from : Yash Arora |
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What if it is atleast 2 heads in say 6 flips Comment from : Ashu Babbar |
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Why you don't write (1/2)^10 instead of writing it 10 times :p Comment from : Martin Mystery |
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ged prep Comment from : Brescalofrio |
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OMG THANK YOU brmy math exam is in literally 2 days and u saved me Comment from : Moh |
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So why is there an 1- Comment from : Thomas P |
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I kinda get it thank you so much Sal Khan Academy Comment from : Kubz |
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Consider the probability formula, and explain why it is not possible to have a probability of an event greater than 1 HELP PLS Comment from : Kubz |
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99 problems, but getting heads ain't one Boom Comment from : Geofrey Banzi2 |
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Thank you! I finally understand it good :) Comment from : Richie Harrinarine |
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Head ON a college? Slim Comment from : Josh Conant |
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What is the probability of getting head on college? Comment from : Gabriel11235 |
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what is the probability of getting at least 2 heads in 3 flips? Comment from : William Xu |
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Getting head at least once Comment from : Joel Himanen |
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WOW "at least" problems are so much easier now They used to be the hardest thing, but now they seem like a piece of cake! THANK YOU SO MUCH Comment from : smitrib |
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How'd you get that TI-85? Comment from : nathuwjohn |
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Snipers get more head :) Comment from : 078matthijs |
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@Spyez I'd much rather get tail than head
Comment from : blakerwalk |
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@kenufak sharpening the saw Comment from : Charles Spicuzza |
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Albert Einstein once said:
“If I had an hour to save the world
I would spend 59 minutes defining the problem
and one minute finding solutions”
This video is about this attitude
Comment from : luky_is_here |
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i watch your videos because they are entertaining Comment from : amin mozel |
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Salman knows this Title is WAY too suggestive, it's become common knowledge now Comment from : price22 |
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Aaaaaand, it is once again demonstrated that my mind is filthy Comment from : Not Oprah Winfrey |
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salman khan doesn't need to make this video he has 100 of getting heads Comment from : Iyas |
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I wish I knew what you were talking about, guess I'm just too dumb Comment from : Sami |
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