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

1 6
1 8
1 9
1 12

Correct Answer: 1 9

Explanation:

In two throws of a dice, 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)	=	4	=	1	.
	n(S)		36		9

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