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Assume that the probability a child is a boy is 0

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Assume that the probability a child is a boy is 0.55 and that genders of children born into a family are independent. Determine the following probabilities:

(a) The probability that a family with 3 children has 1 boy and 2 girls.

(b) The probability that a family with 3 children has 2 boys and 1 girl given that their

first child is a boy.

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