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Problem 5. Let us say that we know a family has two children. Assume that each child is a boy or a girl with

Problem 5. Let us say that we know a family has two children. Assume that each child is a boy or a girl with probability 50%, and they are independent. A. What is the probability that the family has two girls? B. What is the probability that the family has two girls, given that there is at least one girl? C. What is the probability that the family has two girls, given that the first child is a girl?

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