SOLUTION: Suppose that a family has 5 children. Also, suppose that the probability of having a girl is 1/2. Find the probabilities that the family has the following children.
1. Exactly 2
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Question 304391: Suppose that a family has 5 children. Also, suppose that the probability of having a girl is 1/2. Find the probabilities that the family has the following children.
1. Exactly 2 girls and 3 boys
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Suppose that a family has 5 children. Also, suppose that the probability of having a girl is 1/2. Find the probabilities that the family has the following children.
1. Exactly 2 girls and 3 boys
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P(x = 2) = 5C2(1/2)^2(1/2)^3 = 10*(1/2)^5 = 10/32 = 5/16
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Cheers,
Stan H.
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