Out of 800 families with 4 children each, the expected number of families having atleast one boy is

Out of 10,000 families with 4 children each , the probability number of families all of whose children are daughters is

Out of 10,000 families with 4 children each , the probability number of families all of whose children are daughters is

Out of 2560 families with 5 children each, the probability number of families all of whose children are girls is

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

In a family of 3children the probability of having at least one boy is

In a family of 3 children the probability of having at least one boy is

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.