If the events A and B are independent, each having a positive probability of occurrence, then

(a) AB = ∅

(b) P(B′|A) = P(B)

(c) P(A ∪ B) = P(A) + P(B)

(d) P(A|B) = P(B|A)

(e) P(A − B) = (1 − P(B))P(A)