The Total solution for NCERT class 6-12
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Assumethat each born child is equally likely to be a boy or a girl. If a family hastwo children, what is the conditional probability that both are girls? Giventhat
(i) the youngest is a girl
(ii) at least one is girl.
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Let 'B'be the event that the youngest is a girl.
We haveto find conditional probability P(A/B).
(ii) Let'A' be the event that both the children born are girls.
Let 'B'be the event that at least one is a girl.
We haveto find the conditional probability P(A/B).