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When two dice are rolled, what is the probability that the sum of the numbers appeared on them is 11?

1/6
1/18
1/9
1

Correct Answer: 1/18

Explanation:

n(S) = 36
n(E) = {(5,6), (6,5)} = 2
∴ p(E) = n(E) / n(S) = 2/36 = 1/18

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