If there are 2 children in a family, find the probability that there is at least one boy in the family.

If there are two children in a family , find the probability that there is atleast one girl in the family .

In a two children family, find the probability that there is at least one girl in a family.

There are two children in a family. Find the probability that at most one boy is there in the family.

There are two children in a family. Find the probability that at most one boy is there in the family.

If there are 3 children in a family, then the probability that there is one girl in the family is (3)/(n) , find the value of n.

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

There are two children in a family. What is the probability that both of them are boys?

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