A man and a woman appear in an interview for two vacancies in the same post. The probability of man’s selection is 1/4 and that the woman’s selection is 1/3. What is the probability that none of them will be selected?

Ramesh appears for an interview for two posts A and B, for which the selection is independent. The probability for his selection for post A is (1)/(6) and for post B it is (1)/(7) . Find the probability that Ramesh is selected for at least one post.

A haemophilic man marries a normal homozygous woman. What is the probability that their son will be haemophilic?

A haemophilic man marries a normal homozygous woman. What is he probability that their son will be haemophilic ?

A and B give examination for two empty posts. If the probability of their getting selected by 1/4 and 1/6 respectively then the probability of neither getting selected will be

Aa n dB are two candidates seeking admission in IIT. The probability that A is selected is 0.5 and the probability that Aa n dB are selected is at most 0.3. Is it possible that the probability of B getting selected is 0.9?

A a n d B are two candidates seeking admission in IIT. The probability that A is selected is 0.5 and the probability that Aa n dB are selected is at most 0.3. Is it possible that the probability of B getting selected is 0.9?

There unbiased dice are thrown at a time . What is the probability that the number 1 appears at lest once? Given that the number on the first die is 3. What is the probability that the sum of the numbers on the three dice is odd?

A candidate is selected for interview for the three posts. For the first post there are 3 candidates, for the second there are 4 and for the third there are 2. what is the probability that the candidate getting at least one post?

A and B are two candidates seeking admission in joint Entrance. The probability that A is selected is 0.5 and the probability that both A and B are selected is almost 0.3 . Is it prossible that the probability of B getting selected is 0.9?

A committee of two persons is selected from two men and two women. What is the probability that the committee will have (a) no man? (b) one man? (c) two men?