Question

Three persons A, B and C shoot to hit a target. If A hits the target four times in five trials, B hits it three times in four trials and C hits it two times in three trials, find the probability that: 

(i) Exactly two persons hit the target. 

(ii) At least two persons hit the target. 

(iii) None hit the target.

Answer 1

Let P(A), P(B) and P(C) be the probability of hitting the target by A, B and C. Whereas