Multiple choice

Let $P(E)$ denote the probability of the event $E$. Given $P(A) = 1$, $P(B) = 1/2$, the values of $P(A\mid B)$ and $P(B\mid A)$ respectively are

  1. 1/4,1/2

  2. 1/2,1/4

  3. 1/2,1

  4. 1,1/2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$ P(A/B) = \dfrac{P(A)P(B/A)}{ \sum P(A)P(B/A)} $ So, value of P(A/B) = P(A) = 1 P(B/A) = P(B) = 1/2

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