QuantForcesquant interview practice

04013. Boys and girls

difficulty 1400·answer type: probability·Not solved

Problem

Part A: A company is holding a dinner for working mothers with at least one son. Ms. Jackson, a mother with two children, is invited. What is the probability that both her children are boys?

Part B: Your new colleague, Ms. Parker, is known to have two children. If you see her walking with one of her children and that child is a boy, what is the probability that both children are boys?

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