general math MCQ #873

The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for 25 years. Probability

general math MCQ #873

  1. Question 1

    Q1. The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for 25 years. Probability

    • A) 02-May
    • B) 01-May
    • C) 03-May
    • D) 04-May

    Answer: 01-May

    Explanation: P(only man alive) = P(man alive) × P(wife not alive) = 3/5 × (1 − 2/3) = 3/5 × 1/3 = 1/5.