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Posts Tagged ‘tuesday boy’

This has been killing me all week. It’s a probability problem known as the “Tuesday boy” problem. I’ll simplify the problem by reducing the possibility space.

Alice has two children. What is the probability that she has two boys given that:

a) at least one of her children is a boy?

b) at least one of her children is a boy; and at least one of her children is left handed?

c) at least one of her children is a boy, and he is left handed?

Assume that left/right handedness are equally likely.

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