There are two children in a family.One of them is a girl child .What is probability that the other one is also a girl child?

Given that a family of two children has a boy , what is the probability that the other also is a boy?

Ram is visiting a friend. Ram knows that his friend has 2 children and 1 of them is a boy. Assuming that a child is equally likely to be a boy or a girl, then the probability that the other child is a girl, is

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.

It is known that a family has 3 childern and at least 1 of these 3 childern is girl. Find the probability that all of the 3 chilidren are girl.

Assume that the birth of a boy or girl to a couple to be equally likely, mutually exclusive, exhaustive and independent of the other children in the family. For a couple having 6 children, the probability that their "three oldest are boys" is (a) (20)/(64) (b) (1)/(64) (c) (8)/(64) (d) none of these

Ram is visiting a friend. Ram knows that his friend has 2 children and 1 of them is a boy. Assuming that a child is equally likely to be a boy or a girl,then the probability that the other child is a girl, is-

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 the youngest is a girl ?

Out of 15 articles in a box, three of. them are defective. If 5 articles of them are drawn at random, what is the probability that at least one article are defective.

Assume that each born child 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?

There are 40 students in Class X of a school of whom 25 are girls and 15 are boys. The class teacher has to select one student as a class representative. She writes the name of each student on separate cards, the cards being identical. Then she puts cards in a box and stirs them thoroughly. She then draws one card from the box. What is the probability that the name written on the card is the name of (i) a girl? (ii) a boy?