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 four figure number is formed of the figures 1, 2, 3, 4, 5 with no repetitions. The probability that the number is divisible by 5 is 3//4 b. 1//4 c. 1//8 d. none of these

The sum of two positive quantities is equal to 2ndot the probability that their product is not less than 3/4 times their greatest product is 3//4 b. 1//4 c. 1//2 d. none of these

In a family of 3 children 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

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

The sum of two positive quantities is equal to 2ndot the probability that their product is not less than 3/4 times their greatest product is a. 3//4 b. 1//4 c. 1//2 d. none of these

A family has two children, what is the probability that both of the children are boys, given that at least one of them is a boy?

In a group of students , there are 3 boys and 3 girls . Four students are to be selected at random from the group . Find the probability that either 3 boys and 1 girl or 3 girls and 1 boy are selected .

Assume that each child born 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 i. the youngest is a girl, ii. at least one is a girl?