Question
A can hit a target 3 times in 5 shots, B 2 times in 5 shots, C 3 times in 4 shots. Each fire a volley, what is the probability that 2 shots hit the target?
Solution
Let E1 , E2 , E3 be the events ‘A hits a shot’, ‘B hits a shot’, ‘C hits a shot respectively.

P(two shots hit)


P(two shots hit)
