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The last banana: A thought experiment in probability - Leonardo Barichello

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View full lesson: http://ed.ted.com/lessons/the-last-banana-a-thought-experiment-in-probability-leonardo-barichello Imagine a game of dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the biggest number rolled is five or six, player 2 wins. Who has the best probability of winning the game? Leonardo Barichello explains how probability holds the answer to this seemingly counterintuitive puzzle. Lesson by Leonardo Barichello, animation by Ace & Son Moving Picture Co, LLC.
Категория: Образование
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Текстовые комментарии (762)
Night Thief (2 дня назад)
The 6 in a dice actually weighs the most so de cat
jaspreet singh (12 дней назад)
just murder the cat and eat it, let it have the banana as a sign of your magnanimity
VernHau Ooi (16 дней назад)
This is such a great idea in teaching theoretical and experimental probability! Thanks!
Marcus Vinicius Almeida (30 дней назад)
Eat a cat
Lasni-anime! - (1 месяц назад)
I cant understand anything.
Zinyo26 x Snowman (1 месяц назад)
My suggestion is F*ck I'd never go onto a ship
Lance Stinson (1 месяц назад)
*_C A T_*
Brian Wyters (1 месяц назад)
Just use loaded dice.
aldodzb (1 месяц назад)
Smack with this video every BDO player that says stuff like: "Fs are memes, I once got tet with 10 and failed DUO with 70"
Nathanial Blower (1 месяц назад)
The longer you play, the closer to theoretical probability the actual frequencies are...says who?
djryken (1 месяц назад)
Hope you boys learned some hustling tricks here this is gold!
Mapping Power (1 месяц назад)
If there aren't any bananas left, then cut down the tree and make a boat
Georg Plaz (1 месяц назад)
I am not surprised. Cats don't like bananas. They just want others to be miserable
Shrey Dixit (1 месяц назад)
To all these smartass people saying that they would split the banana- You are not funny Its just a thought experiment, not a real life scenario
Chain in End Phase (1 месяц назад)
im almost sure this is wrong
Yashu Dhyani (1 месяц назад)
Why pie is used to measure about circle
Val Kueh (2 месяца назад)
I thought the probability for player 2 winning the banana was 2/3 Reason: Player two needs a roll of 5 or 6 to win, meaning he has a 1/3 chance to win But since two dice are rolled, the chance for player 2 to win is 1/3 + 1/3 = 2/3
Mohammed Chafik (2 месяца назад)
https://www.youtube.com/watch?v=bgEvLW15-VY
Ace Sarich (2 месяца назад)
This is beautiful. I especially like the visual showing the probability as a two dimensional square. If we had three dice you could show it as a cube. So what is the probability of four dice? That would be the probability of a fourth dimensional object, no?
nexi nex (2 месяца назад)
Won't 6 tie? It says higher. 5 and 5 will tie
Get Rekt, M8 (2 месяца назад)
But but......the chance of getting 5 or 6 is 2/6. 2/6 multiply by 2/6 is 4/36. So the chance of player 2 to win is 4/36 or 1/9 which is higher than player 1(16/36). Am i correct? Or is it? I need to know where is my mistake...
Oksana Nakonechna (2 месяца назад)
i would give give the banana to the other person because i I HATE EM
Beckett Burrow (2 месяца назад)
Seems like all these probabilities go out the window when I'm playing DnD
Forte Piano (2 месяца назад)
Either way, we're both gonna use the banana for the same thing, if you know what I mean...
Mr. Noodle (2 месяца назад)
The solution? Make a fishing rod.
Lucky The Wolf Dog (2 месяца назад)
I am so confused. Not by the video, but by the comments. Some say "one person eats the other and banana". Others are saying "the cat doesn't eat bananas". And 50% of the comments are arguing to split the banana. Still, others are stuck how they got the dice in the first place, or why there's only 1 banana. Or why they can't go fishing. (If this comment seemed rude, then no offense to anyone.)
Alekss Zukovskis (2 месяца назад)
roll bananas for the last dice
zeus Rulez (3 месяца назад)
I wanna be player 3
Leon Nguyen-Dang (3 месяца назад)
i suggest we throw the bonano
Orianne Dueck (3 месяца назад)
I can see this is educational, but I'd just split the banana with the other.... I'm smart
My Name Is Secret (3 месяца назад)
At first i didnt understand But then an idea popped into my mind So ... think of it this way if 1,2,3,4 pop only one time player 2 Wins So that means 1,2,3,4 neted to pop 2 Times to give player 1 a victory.if 5 or 6 pops one time player 2 wins
Daniel Berglund (3 месяца назад)
Boohoo! The banana!
Rima Hlehel (3 месяца назад)
Yuck! I hate bananas! >:(
Nolan Chojnacki (2 месяца назад)
Rima Hlehel so you still wouldnt eat the banana if you were starving to death?
PanDanyull XD (3 месяца назад)
Why not just split the banana
Leo Warren (3 месяца назад)
Nothing is truly random
tilden stadtmiller (4 месяца назад)
🍌
Buttin Muffin (4 месяца назад)
first
Mark Reynolds (4 месяца назад)
Can any1 explain th interest paradox ?
arjun verma (4 месяца назад)
But how could they play game while they are hungry,they have no power so theoretically they both will die.it is great to fight for a minute and there is 75% chances for the winning of cat practically.
And Peggy (4 месяца назад)
I don’t like bananas, the other guy can have it
Ngọc Lê Viết (4 месяца назад)
That make no scene. They still die together =((
Jesus Christ on a bike! (4 месяца назад)
‘1-in-36 chance that ‘1’ will be the highest number’. But, you’re rolling two dice, so the minimum amount you could get would have to be 2, right?
kill me kylie (4 месяца назад)
just cut the banana
Snehlata Sharma (4 месяца назад)
Cat don't eat bananas ,🍌🍌🍌🍌🍌🍌🍌
Total Insanity (5 месяцев назад)
Just eat the darn cat. Asians do it
Nicholas Hartle (5 месяцев назад)
If you make it so player 1 wins if the highest number is 1, 2, 3, or 5 and player to wins if it's 4 or 6, they'll each have a 50% chance of winning. Also, if you use dice with sides that are divisible by 4, you can give the lower 4th and the upper 4th to one player and the middle half to the other and they'll both have a 50% chance of winning.
Jonathan Weir (5 месяцев назад)
Wouldn’t this work no matter what 2 numbers the second person picked.
Random gooy (5 месяцев назад)
It's the saddest thing I've ever seen its just a ba and a na
Rachelle (5 месяцев назад)
The chance for player 2 to win = the chance one dice is 5 or 6 (1/3) + 1/3 of the remaining 2/3 for the other dice being 5 or 6 = 5/9 That's how I did it, it's just more confusing to explain.
Mr Everywhere (5 месяцев назад)
Why is p2 a furry?
Emily Baltau (5 месяцев назад)
Okay, why don't you just split the banana? Or, maybe, it could just be whoever gets the highest number.
Gin Gin (5 месяцев назад)
I choose the cat just because it's cute
Huonous (6 месяцев назад)
In that situation I would rather have half a banana than 44 % chance of getting nothing.
abdallatef nsour (6 месяцев назад)
I bet that 99% of people who liked this didn't understand anything,and that they only liked the cat.
Crystal Lin (6 месяцев назад)
Oooooorr, they could be kinder to each other and *share* the banana, considering that they'll both be living there for like 4 days, unless they find water. Say, it would be smarter if it was a glass of water
Brendan Sullivan (6 месяцев назад)
The last banana: A thought experiment in probability - Leonardo Barichello
VMOS (6 месяцев назад)
Why? Why would you come up with such weird rules for a dice game? Why not just say whoever gets the highest number wins?
鄭皓平 (6 месяцев назад)
This is way too easy for us Asians
Emil Mark (6 месяцев назад)
The cat and the banana are both food. The girl should eat both for a greater chanse of survival.
computo2000 (6 месяцев назад)
4 minutes is very long for a 4/6 times 4/6 though :/
Colin Carlson (6 месяцев назад)
I would just save the banana for a human and leave the cat. Seriously, why a cat?
ink - (6 месяцев назад)
Plot twist: They split the banana in half
EpicGamer425 (6 месяцев назад)
HOW DID THEY HAVE 12 DICE?
jayanti nayak (6 месяцев назад)
Those two r too greedy. They r playing dice🎲 for just a banana🍌 . They can divide it also. Another thing why didn't they get any food except banana rather they got dices🎲.
Tristan Willstout (6 месяцев назад)
Moral of the story: *_Split or Steal_*
Ben From Brum (6 месяцев назад)
so your stranded on a desert island and there are 2 dice there?
Raymond V.M (7 месяцев назад)
Love the turtle
Paladin _ (7 месяцев назад)
If you neglect the point of the video, then it would be wisest to use the banana for bait. Then you could use the bait for more bait, and I think there was a test that showed that saltwater isn't actually that bad for you
Don'tSueTheSpoofers (7 месяцев назад)
Simple choke player 1 and take the banana and eat her meat YAY MORE FOOD
DSK (7 месяцев назад)
good job
77FantasyAngel77 (7 месяцев назад)
Somehow I doubt one banana will change much.
mynameismynameis (7 месяцев назад)
Wait why wouldn't they just see who has the bigger number
Michael Wilson (7 месяцев назад)
Classic example of regression to the mean
Griffin Laing (7 месяцев назад)
I don't understand how the cat stands on to legs,rolls a dice,and wins
Grace Reyes (8 месяцев назад)
What
Gplor (8 месяцев назад)
wait a second isn't there any chance to have a draw?
Sonia Steadman (8 месяцев назад)
I don't like bananas...
Haani Nehvi (9 месяцев назад)
anyone from maths class here?
Captain America (9 месяцев назад)
Very simple language and easy to understand graphics like all other ted -ed videos. Very nice.
Scott Schneider (9 месяцев назад)
Away to make it fair is to use 1,2,3, and 5 for player 1
Darin Warren (10 месяцев назад)
The democrat player would tax over half the banana away from the successful achiever. And then throw it in the ocean.
Orange Sherbert (10 месяцев назад)
i woud kill the cat and eat it
Orange Sherbert (10 месяцев назад)
hey
Orange Sherbert (10 месяцев назад)
what!
Ceca Siahaan (10 месяцев назад)
4/9....5/9....simplifyyyyy
Angelo U (10 месяцев назад)
I read the comments section for the smartarse users
Brian Wyters (10 месяцев назад)
I bite into my victory banana...Nooo...It was unripe!
Common Cool Channel (11 месяцев назад)
Steal a banana from a parallel universe!
Pheobe Owusu (11 месяцев назад)
How have I never seen this one! Love it!
Cucumber Something (1 год назад)
People are saying to just split the banana, but I'd rather have more nutrition to last longer so I have a higher chance of being saved and not as a corpse.
SaberCATjr (1 год назад)
You can't get a sum of 1 from a pair of dice though...
Violet - Wolf (1 год назад)
Is that you Darkstripe? Trying to poison more kids with -bananas- berries?
Injamul Shaikh (1 год назад)
The chance of getting 5 and 6 is 2 out of 6. So joint probality will be 4 out of 36. Am I doing right? If yes girl would win.
Minh Mai (1 год назад)
pretty sure that giant cat dog thing could eat the girl instead of banana
Jean-francois Seguin (1 год назад)
Where can you find a dice on a desert island....
I'llChase MyDreams (1 год назад)
It's a win *WIN* for me. It's either I eat the banana or I beat the crap out of you, then eat the banana. What's it gonna be ?
sheparddog117 (1 год назад)
if the bananna must stay in one pice giv it to who ever is gonna do some kinda work like climb the tree to signal for help
MINGEON KIM (1 год назад)
BORING
MINGEON KIM (1 год назад)
WOW
Victoria Hughes (1 год назад)
how about you just roll once, whoever has the higher number wins?
Shashank Sekhar (11 месяцев назад)
That would make too much sense for mathematicians.

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