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WAEC Further Mathematics 2023 Question 15

Question 15

Probability

The probabilities that Atta and Tunde will hit a target in a shooting contest are 1/6 and 1/9 respectively. Find the probability that only one of them will hit the target.

  1. A.1/54
  2. B.13/54
  3. C.20/27
  4. D.41/54
Show the answer and explanation

Answer: B (13/54)

Explanation

P(Atta only) = (1/6)(8/9) = 8/54; P(Tunde only) = (5/6)(1/9) = 5/54. Total 13/54.