What is the probability of getting a sum of 9 from two throws of a die?

1 6
1 8
1 9
1 12

Correct answer: 1 9

Solution

For two throws of a die, total outcomes = 6 × 6 = 36. The pairs giving sum 9 are (3,6), (4,5), (5,4), and (6,3), so favorable outcomes = 4. Therefore probability = 4/36 = 1/9.

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