A family has 5 daughters. Probability of $6^{th}$ child being boy will be

Q. A family has five girls and no son. Probability of son as the 6th child will be:

Q. A family has six children. The probability that there are fewer boys than girls, if the probability of any particular child being a boy is $\frac{1}{2}$ is

Q. The following pedigree chart shows the inheritance of haemophilia in a family.

(a) What would be the possible genotype of members 4 and 5?
(b) A blood test shows that member 14 has haemophilia gene. What would be the probability that her child will be a haemophilic boy? [3]

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.

Assume that each childborn is equally likely to be a boy or a girl .if a family has three children, then conditional probability that two children are girls given that family has at least one girl child is