Conditional probabilityEasyQuestion 270005
Question
P(A|B) is defined as:
- AP(A ∩ B)/P(B)Correct
- BP(A ∩ B)/P(A)
- CP(A) × P(B)
- DP(A + B)
Correct answer
P(A ∩ B)/P(B)
Explanation
Conditional probability of A given B: P(A|B) = P(A ∩ B)/P(B), provided P(B) > 0.