engineering mathematics MCQ #3986

A and B are two events such that P(A) = 1/3, P(B) = 1/2, and P(A ∩ B) = 1/6. What is P(A ∪ B)?

engineering mathematics MCQ #3986

  1. Question 1

    Q1. A and B are two events such that P(A) = 1/3, P(B) = 1/2, and P(A ∩ B) = 1/6. What is P(A ∪ B)?

    • A) 2 / 3
    • B) 1 / 2
    • C) 3 / 4
    • D) 1 / 6

    Answer: 2 / 3

    Explanation: Use the formula P(A ∪ B) = P(A) + P(B) - P(A ∩ B) = 1/3 + 1/2 - 1/6 = 2/3.