Find the expected number of boys in a family with 8 children, assuming the sex distribution to be equally probable.

The expected number of boys in a family with 8 children, assuming the sex distribution to be equally probable, is n. Find n.

Find the probability distribution for the number of girls in a family with three children, assuming equal probability for a child being a boy or a girl.

Out of 10000 families with 4 children each, find the frequencies of distribution of number of male children.

Find the probability mass function and cumculative distribution function of number of girl child in families with 4 children, assuming equal probabilities for boys and girls.

In a family of 3 children, find the probability of having at least one boy.

In a family of three children, find the probability of having at least two boys.

In a family of three children, find the probability of having at least two boys.

Assume that each born child is equally likely to be a boy or a girl. If a family has two children, what is the conditional probability that both are girls given that the youngest is a girl.