Q1.
Compute the probability of a family,chosen at random,having:
$(i)$ $2$ girls $(ii)$ $1$ girl $(iii)$ No girl
Also,check whether the sum of these probabilities is $1$.
$1500$ families with $2$ children were selected randomly,and the following data were recorded:
| Number of girls in a family | $2$ | $1$ | $0$ |
| Number of families | $475$ | $814$ | $211$ |
Compute the probability of a family,chosen at random,having:
$(i)$ $2$ girls $(ii)$ $1$ girl $(iii)$ No girl
Also,check whether the sum of these probabilities is $1$.
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