engineering mathematics MCQ #3989

If P(A) = 0.4, P(B) = 0.5 and P(A ∩ B) = 0.2, then P(A|B) is

engineering mathematics MCQ #3989

  1. Question 1

    Q1. If P(A) = 0.4, P(B) = 0.5 and P(A ∩ B) = 0.2, then P(A|B) is

    • A) 0.4
    • B) 0.5
    • C) 0.6
    • D) 0.8

    Answer: 0.4

    Explanation: P(A|B) = P(A ∩ B) / P(B) = 0.2 / 0.5 = 0.4. Using conditional probability formula.