Question
What is the probability of getting a sum 9 from two throws of a dice ?
Answer: Option A
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We know hat in a simultaneous throw of two dice, n (S) = 6 x 6 = 36.
Let E = event of getting a total of 7 = {(1, 6), (2, 5), (3, 4), (4, 3), (5, 2), (6, 1)}.
`:.` P(E) = ` (n(E))/(n(S)) = 6/36 = 1/6`
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