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Old 07-18-2005, 12:55 PM   #1
drummerlsu
Geaux Tigers
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Join Date: Apr 2004
Posts: 105
Default Card Game Puzzle

I've always found probability problems like this interesting. It is even more interesting to watch other people answer them, which is why I'm posting it here. If this is the wrong forum for a topic like this, feel free to move/delete it.


You are playing a poker game in which everyone is dealt two cards. You are sitting next to a friend.

Hand A is dealt. Before you look at your cards, you ask your friend "Do you have the ace of spades?" He answers "Yes." You fold your cards blind.

Hand B is dealt. Again, before you look at your cards, you ask your friend "Do you have an ace?" He answers "Yes." You fold your cards blind.

Assuming your friend was truthful, which of the following statements is true?
You were more likely to hold an ace in hand A than hand B.
You were more likely to hold an ace in hand B than hand A.
You were equally likely to hold an ace in both hands A and B.

EDIT: If you hold two aces, then you still 'have an ace'.
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