Let S be a sample space, with A is a subset S and B is a subset S. If P(A) = .6 what can be said about, P(A ∩ B),

when

(a) A and B are mutully exclusive?

(b) A is a subset B

(c) B is a subset A

(d) A′ is a subset B′

(e) A is a subset B′

Not entirely sure how to approach this problem...let me know if the first is on the right track.

a) If A and B are mutually exclusive, P(A ∩ B)= P(A)P(B)