Two fair dice are thrown together. What is the probability that the sum of the scores is at least 10?
A1/6CORRECT
B5/36
C1/4
D7/36
GCEMathematicsProbability2024
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Why the answer is A, and why the others tempt you.
The outcomes with a sum of at least 10 are: (4,6), (5,5), (5,6), (6,4), (6,5), (6,6) — giving 6 favourable outcomes out of 36 total. The probability is 6/36 = 1/6.
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