Question: What is the probability of getting a sum 9 from two throws of a dice?
[A].
[A].
1 |
6 |
[B].
1 |
8 |
[C].
1 |
9 |
[D].
1 |
12 |
Answer: Option C
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 |