A father has 3 children with at least one boy. The probability that he has 2 boys and 1 girl is `1//4` b. `1//3` c. `2//3` d. none of these

A family has two children. If one of them is boy, then the probability that other is also a boy, is

A parents has two children. If one of them is boy, then the probability that other is, also a boy is

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

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

A family has 2 children.The probability that both of them are boys if it is known that one of them is a boy

A group of 2n boys and 2n girls is randomly divided into two equal groups.The probability that each group contains the same number of boys and girls is (A) 1/2 (B) 1/n (c) 1/2n (D) None of these

A couple has 6 children, 5 are girl and 1 is boy. The percentage of having a girl on next time is

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

Assume that in a family,each child is equally likely to be a boy or girls.A family with three children is is choosen at random.The probability that the eldest child is a girls given that the family has at least one girls is