Question

If P(A) = \(\frac{1}{2}\), P(B) = 0, then P(A/B) is

(A) 0

(B) \(\frac{1}{2}\)

(C) not defined

(D) 1

Answer 1

(C) not defined

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P(A) = \(\frac{1}{2}\), P(B) = 0
P(A/B) = \(\frac{P(A∩B)}{P(B)}\) = \(\frac{P(A∩B)}{0}\) = Not defined.