4. Given P(A) = 0.6 and P(B) = 0.3 a. If A and B are mutually exclusive events, compute P(A or B). 0.9 b. If P(A and B) = 0.2, compute P(A or B). 0.72 C. If A and B are independent events, compute P(A and B). 0.18 d. If P(B A) = .1, compute P(A and B). 0.18