When two dice are rolled, what is the probability that the sum of the numbers appeared on them is 11 ?
When two dice are rolled, what is the probability that the sum of the numbers appeared on them is 11 ?
A. 1/6
B. 1/18
C. 1/9
D. 1
Answer : B. 1/18
Explanation:
n(S) = 36
n(E) = {(5,6), (6,5)} = 2
p(E) = n(E) / n(S)
= 2/36
= 1/18.
