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Ex 16.1, 8 - An experiment consists of recording boy-girl - Ex 16.1

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  1. Chapter 16 Class 11 Probability
  2. Serial order wise
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Ex 16.1, 8 An experiment consists of recording 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? A family with 2 child may be either girl or boy Let G denote girl child & B denote boy child S = {BB, BG, GB, GG} Ex 16.1, 8 (ii) What is the sample space if we are interested in the number of girls in the family? In a family of 2 children, we can have 2 girls, 1 girl or 0 girls Hence, Sample Space (S) = {0, 1, 2}

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