Question

Out of families having three children, a family chosen at random. find the probability that the family has-
1. , Exactly one girl
2. At least one girl
3. At most one girl ...



The answer is 1. 1/5
2. 1/4
3. 0


Any mistake in answer you can tell..

Answer 1

According to question

A family has 3 Children
Thus total members in the family = 5

Thus

Probability that family has exactly one girl
P = 1/5

Probability that it has At least one girl
P = 3/5

Probability that it has utmost girl
P = 0