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15 September, 12:58

The probability of giving birth to a boy is 50%. find the probability that at most there are 3 boys out of 10 births.

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  1. 15 September, 15:57
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    S=Sample Space

    n (S) = no. of total outcomes of sample space

    = 50%*10=5

    n (E) = no. of favourable events=3

    Probability of giving birth to boy is,

    P (B) = n (E) / n (S)

    =3/5 ... Ans
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