Solution-Assume that the probability of a male birth is 05

Assume that the probability of a male birth is 0.5 and that the binomial distribution is applicable. determine the probability that a couple with

a) 3 children has at least 2 boys;

2) 5 children has atleast 2 boys;

3) what are corresponding probabilities if the probability of a male birth is 0.53.

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