There are two mutually exclusive events A and B with P(A) =0.5 and P(B) = 0.4. Find the probability of followings: i) A and B both occur ii) Both A and B does not occur

1. This is P(A∪B) = 0.9

2. This is P(A ^c) = 0.5

        This is P(B ^c) = 0.6