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Given equal probabilities of the birth of a boy or girl, what is the probability that a group of four siblings includes all boys? all girls? all boys or all girls?
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Given equal probabilities of the birth of a boy or girl, what is the probability that a group of four siblings includes all boys? all girls? all boys or all girls?

User Martin Binder
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1 Answer

2 votes
all boys =1
all girls = 1
all boys or all girls = 1/2

User Pmakholm
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