The Monty Hall Problem - Explained

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You've made it to the final round of a game show, and get to pick between 3 doors, one of which has a car behind it! You make your choice, and then the host decides to show you one of the wrong answers. He then offers you the chance to switch doors. Should you do it? Find out just how wrong human intuition can be in this classic Monty Hall Problem.

Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz).

TWITTER: http://www.twitter.com/AsapSCIENCE
FACEBOOK: http://www.facebook.com/AsapSCIENCE

Music by Mitchell Moffit
http://www.mitchellmoffit.com
http://www.twitter.com/mitchellmoffit
http://www.facebook.com/mitchellmoffit

Art by Gregory and Mitchell
http://www.gregorybrownart.tumblr.com
http://www.twitter.com/whalewatchmeplz

Further Reading----

1) http://1.usa.gov/nH59yq

Wikipedia also has quite a few more explanations:

2) http://en.wikipedia.org/wiki/Monty_Ha...

• Category

  Science & Technology

[thosethickstrings]

Some people like me just can't see the reasoning but i think i finaly got it. It is confusing in that the only odds that shift are the ODDS OF U WINNING. The switch method makes u win more because Example: (winner is behind A) u pick A and switch to B because the host opened C you lose. Pick C host reveales B switch to A win. Pick B host reveales C switch to A win. (2/3) WINS. However the odds that the physical doors are winners is either 1/3 or 1/2. Odds of u winning, not of door being a winner

[draven kennedy]

??????

[jojo waugh]

Why do we sweat?

[pablozuv]

what if they ask you to switch doors by second time?



[Ocean Wong]

You forgot to mention that the host doesn't choose your door to remove

[iamthemankobe]

yea i dont get it. can u make a part two of this video

[bestusernameverofl]

look up the multiple worlds theory. it really detaches you from reality and makes you look at a bigger picture.

[Nick Pancione]

no your wrong he even explained it. I can see how someone might be so closed minded but he even put the facts in front of you. Considering he is a genius you should believe him. :| . funny i understand this and i'm in 5th grade.

[Joshua Vanyo]

I love your videos but there is something you're missing. When you did the card trick, you didn't refresh your odd count. When you flipped over 50 cards you said the last card had 51/52 even when there was only 2 cards to choose from. It's a neat thing to think about but it's wrong.

[xRZRSabre]

us middle schoolers have a lot of potential these days, I got it instantly as well.

[Kvassing]

Could we be living in a virtual reality?

[FashionRox669]

Am I the only one that got it right away? That's kind of sad considering the fact that I'm only in middle school...