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In a $13$ card hand, given that a person has one ace, what is the probability that person has more than one ace?

In a $13$ card hand, given that a person has the ace of spades, what is the probability that person has more than one ace?

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    Those two probabilities will be the same.2011-09-12
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    Count the total number of hands in which a person has at least one ace, or, easier, count the number of ways the person can have exactly one ace.2011-09-12
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    @TMM: One is about 50% larger than the other.2012-03-10

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