-
A single die is thrown twice. What is the probability that the sum is neither 8 nor 9?
-
-
1 9 -
5 36 -
1 4 -
3 4
-
Correct Option: D
The number of ways of coming 8 and 9 are (2, 6), (3, 5), (4, 4), (5, 3), (6, 2), (3, 6), (4, 5), (5, 4), (6, 3) Total ways = 9
So probability of coming 8 and 9 are
| = | = | 6 × 6 | 36 |
So probability of not coming these
| = 1 - | = | 36 | 4 |
