The probability of A hitting a target is `4/5` and that of B hitting it is `2/3`. They both fire at the target . Find the probability that : only one of them will hit the target.

The probability of A and B achieving a target is 4/5 and 2/3 respectively. If both of them try then find the probability that at least one of them \viii achieve the target.

The probability of A and B achieving a target is 3/4 and 5/6 respectively. If both of them try then find the probability that at least one of them will achieve the target

The probability of A and B achieving a target is 1 /2 and 3/5 respectively. If both of them try then find the probability that at least one of them will achieve the target.

If A and B are two events, the probability that exactly one of them occurs is given by

The probability of a man hitting a target is 1/4 . If he fires seven times, what is the probability of his hitting the target atleast twice?

Two students Anil and Ashima appeared in an examination. The probability that Anil will qualify the examination is 0.05 and that Ashima will qualify the examination is 0.10. The probability that both will qualify the examination is 0.02. Find the probability that : only one of them will qualify the examination.

A is targeting to B, B and C are targeting to A. Probability of hitting the target by A, B and C are 2/3, 1/2 and 1/3 , respectively, If A is hit, then find the probability that B hits the target and C does not.

The probability of a shooter hitting a target is 3/4 . How many minimum number of times must he/she fire so that the probability of hitting the target at least once is more than 0.99?

A and B appeared for an interview for two posts. Probability of A selection is 3/5 and that of B is selection is 3/7 . Find the probabilit that only one of them is selected.