Question: Suppose a couple is planning to have two children. Let B1 be the event that the first child is a boy, and let B2 be

Suppose a couple is planning to have two children. Let B1 be the event that the first child is a boy, and let B2 be the event that the second child is a boy. You and your friend get into an argument about whether B1 and B2 are independent events. You think they are independent and your friend thinks they aren't. Which of you is correct? How could you settle the argument?

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