If P(A) = 6/17, P(B) = 5/17, and P(A B) = 4/17 Find P(B|A)?
Options:
(A) 2/3
(B) 3/5
(C) 2/7
(D) 3/7
(E) 4/9 Hmmm, my stream of consciousness:
P(B|A) = P(A B)/P(A)
P(B|A) = (4/17)/(6/17) = 4/6 = 2/3. So, the answer is (A).