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JAMB 1992 · UME · Q47

Two fair dice are thrown together. Determine the probability of obtaining a total score of 8.

Worked solution (try it first)
  1. Two dice give 36 equally likely outcomes.
  2. A total of 8 comes from (2,6),(3,5),(4,4),(5,3),(6,2)(2, 6), (3, 5), (4, 4), (5, 3), (6, 2), which is 5 outcomes.
  3. So the probability is 536\frac{5}{36}, option B.

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