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WAEC Mathematics 2015 Question 29

Question 29

Probability

The probabilities that Kebba, Ebou and Omar will hit a target are ⅔, ¾ and ⅘ respectively. Find the probability that only Kebba will hit the target.

  1. A.⅖
  2. B.7/60
  3. C.1/30
  4. D.1/60
Show the answer and explanation

Answer: C (1/30)

Explanation

Kebba hits and the other two miss: ⅔ × ¼ × ⅕ = 2/60 = 1/30.