engineering mathematics MCQ #3995

If P(A ∪ B) = 0.8, P(A) = 0.3, P(B) = 0.5, then P(A ∩ B) is

engineering mathematics MCQ #3995

  1. Question 1

    Q1. If P(A ∪ B) = 0.8, P(A) = 0.3, P(B) = 0.5, then P(A ∩ B) is

    • A) 0
    • B) 0.1
    • C) 0.2
    • D) 0.3

    Answer: 0.2

    Explanation: Using formula P(A ∪ B) = P(A) + P(B) - P(A ∩ B), we get P(A ∩ B) = 0.3 + 0.5 - 0.8 = 0.