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

1/2
3/4
1/9
2/9

Correct Answer: 1/9

Explanation:

In two throws of a die, n(S) = (6 x 6) = 36.

Let E = event of getting a sum ={(3, 6), (4, 5), (5, 4), (6, 3)}.

P(E) =n(E)/n(S)=4/36=1/9.

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