In many popular board games, a player rolls two dice and moves the number of spaces equal to the sum shown on the dice. Here is the assignment of probabilities to the sum of the numbers on the up faces when two fair dice are rolled:

Suppose Scott and Jennifer each roll a sum of 9 on their first rolls. What is the probability that Quint will have a greater sum on his first roll?

0

1/6

1/12

1

5/18