alleryFor two events A and B, P(A | B) = 0.6, P(B) = 0.5, P(A) = 0.4. P(B | A) =
A0.75
B0.4
C0.5
D0.6 × 0.5 / 0.4 = 0.75 (Bayes)
Answer & Solution
Correct answer: D. 0.6 × 0.5 / 0.4 = 0.75 (Bayes)
We have P(B|A) = P(A|B) × P(B)/P(A).
That is P(B|A) = 0.6 × 0.5 / 0.4.
So P(B|A) = 0.75.
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