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?
Conditional Probability
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$\begingroup$
probability
combinatorics
card-games
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0Those two probabilities will be the same. – 2011-09-12
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0Count 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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0@TMM: One is about 50% larger than the other. – 2012-03-10