In each of the Exercises 16 and 17 choose the correct answer:
16 If  P(A) = 1
2 , P(B) = 0, then P(A|B) is
(A) 0
(B) 1
2
(C) not defined
(D) 1
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MATHEMATICS
17 If A and B are events such that P(A|B) = P(B|A), then
(A) A ⊂ B but A ≠ B
(B) A = B
(C) A ∩ B = φ
(D) P(A) = P(B)
13 3  Multiplication Theorem on Probability
Let E and F be two events associated with a sample space S