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WAEC Mathematics 1993 Question 48

Question 48

Probability

What is the probability that a total sum of seven would appear in two tosses of a fair die?

  1. A.5/36
  2. B.1/6
  3. C.7/36
  4. D.5/6
  5. E.1
Show the answer and explanation

Answer: B (1/6)

Explanation

Six of the 36 equally likely pairs add to 7: (1,6), (2,5), (3,4), (4,3), (5,2), (6,1). Probability = 6/36 = 1/6.