Question 163910
Suppose that a family has 5 children.
Find the probabilities that the family has the following children,
a) no more than 4 girls
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This is a binomial problem with n=5; p = 1/2; 0 <= x < 5
P(0 <= x <5) = 1 - P(x=5) = 1 - (1/2)^5 = 31/32
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Cheers,
Stan H.