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An experiment consists of recording boy–girl composition of families with 2 children. (i) What is the sample space if we are interested in knowing whether it is a boy or girl in the order of their births?

8.     An experiment consists of recording boy–girl composition of families with 2 children.

    (i)  What is the sample space if we are interested in knowing whether it is a boy or girl in the order of their births?
 

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Let B denote the event a boy is born,

G denote the event a girl is born

The required sample space with a boy or girl in the order of their births is:

S = {BB, BG, GB, GG}

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