In a family of 3 children , the probability of having at least one boy is ?
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here n(S) = 3
probability of having one boy is n(A) = 1
so, p(A) = n(A)/n(S)
= 1/3
probability of having one boy is n(A) = 1
so, p(A) = n(A)/n(S)
= 1/3
mridul3658:
it is wrong answer right answer is 7/8
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answer is in attachment
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