All the seven children of a couple are males. What is the probability that the eighth child will also be a male.

Q. If the first seven children born to a particular pair of parents are all males, what is the probability that the eighth child will also be a male?

Q. If the probability of a male child is $\frac{1}{2}$, the probability that in a family of 4 children there will be atleast one boy and one girl is

Q. If birth to a male child and birth to a female child are equal probable, then what is the probability that atleast one of the three children born to a couple is male?

Q.

A couple has two children.

Find the probability that both children are males, if it is known that atleast one of the children is male.

Find the probability that both children are females if it is known that the elder child is a female.

Q. A couple has two children . Find the probability that both the children are (i) males , if it is known that at least one of the children is male . (ii) females, if it is known that the elder child is a female .