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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?(ii)   What is the sample space if we are interested in the number of girls in the family?

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(i)If B represents a Boy and G represents a Girl, then the sample space will be,

S1={(B,B),(B,G),(G,B),(G,G)}

(ii)From previous part, we can see that S1 contains 0 girl, 1 girl and 2 girls.

So, sample space S2={0,1,2}.

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