5. If P(A) = 0.5, P(B) = 0.4, P(A n B) = 0.2, calculate the probability probabilities; a) P(B) (5 points) b) P(A U B) (5 points) c) P(A n B) (5 points) d) P(A n B) (5 points) e) P(A U B) (5 points) f) P(A U B) (5 points)