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Aces in Bridge Hands

Posted on: January 18th, 2013 by
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Someone deals you a bridge hand 13 cards from a regular deck of 52 cards. You look at the hand and notice you have an Ace and say “I have an Ace”. What is the probability that you have another Ace?The cards are collected and different hand is dealt. This time you look at your hand and state “I have the Ace of Spades” which is true, what is the probability, this time, that you have another Ace?

Question: Is the probability in the second case the same as before, a lower probability, or a higher probability?

via Counterintuitive Conundrums.


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