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 hitting a target by three marksmen are 1/2, 1/3 and 1/4. Then find the probabi9lity that one and only one of them will hit the target when they fire simultaneously.

An anti-aircraft gun can take a maximum of four shots at an enemy plane moving away from it. The probability of hitting the plane in the first second third, and fourth shot are respectively 0.2, 0.4 0.2 and 0.1. Find the probability that the gun hits the plane.

A, B and C try to hit a target simultaneously but independently. Their recpective probabilities of hitting the target are 3/4, 1/2, 5/8 . The probability that the target is hit by A or B but not by C is

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

The probability of winning a race by three persons A ,B , and C are 1/2, 1/4 and 1/4 , respectively. They run two races. The probability of A winning the second race when B , wins the first race is (A) 1/3 (B) 1/2 (C) 1/4 (D) 2/3