SOLUTION: A family chosen at random has 5 children. what is the probability that there are two girls and three boys?
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Question 804733: A family chosen at random has 5 children. what is the probability that there are two girls and three boys?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A family chosen at random has 5 children. what is the probability that there are two girls and three boys?
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Binomial Problem with n = 5 and P(girl) = 1/2
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P(x = 2) = 5C2*(1/2)^2*(1/2)^3 = 10/32 = 0.3125
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Cheers,
Stan H.
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