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A family has two children, and at least one of them is a boy. what is the probability that both of their children are boys?

A family has two children, and at least one of them is a boy. what is the probability that both of their children are boys?
asked 136k views
5 votes
A family has two children, and at least one of them is a boy. what is the probability that both of their children are boys?

asked
User Mkisantal
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8.8k points

1 Answer

6 votes
Each birth is independent event. So the probability of the other child being boy is 1/2. Making the total probability 1/2
answered
User Ryan Ferretti
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7.8k points
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