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

There are two childrens in a family. The probability that both of them are boys is

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 .

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

There are two children in a family. Find the probability that both boys if it is known that: (i) one of the children is a boy (ii) Older child is a boy

There are two children in a family. Find the probability that both boys if it is known that: (i) one of the children is a boy (ii) Older child is a by