A couple walks with a boy. They say "We have one other kid". Odds the other kid is a (G)irl ? 50-50 u say? WRONG. They could've had: GG-GB-BG-BB. They have at least 1 Boy, so GG is out. The last 3 cases are left. With one Boy out to walk, it remains: G - G - B. Girl = 2/3.
The Time Everyone “Corrected” the World’s Smartest Womanhttps://priceonomics.com/the-time-everyone-corrected-the-worlds-smartest/ …
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Many people state the problem misleadingly by not pointing out that Monty Hall KNOWS what's behind every door.
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Great read! Thanks Mike!
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Is it me or is the matrix in the article missing the scenario where the contestant chooses not to switch?
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I'm amazed people still talk about this 30 years on. I'm gonna go see if ol' Marilyn is still around.
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She is! 72 years old. Living in NYC.
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It seems counterintuitive at first, but a good way to conceptualize it is if you use a larger number. Say 52 cards, and you are supposed to pick the king of hearts and you pick a card. Then 50 wrong cards are removed and you are asked if you want to switch or keep the original.
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