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Question
An experiment consists of boy-girl composition of families with 2 children.
What is the sample space if we are interested in knowing whether it is a boy or girl in the order of their births?
Solution
When the order of the birth of a girl or a boy is considered, the sample space is given by
S = {(G1, G2), (G1, B2), (B1 ,G2), (B1, B2)}
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