Two fair 6-sided dice are rolled. What is the probability the sum rolled is 9?
There are 36 possible outcomes
Number Number of Possible Ways
2 1
3 2
4 3
5 4
6 5
7 6
8 5
9 4
.......
So......the probability of a "9" is 4 / 36 = 1 / 9
+1443 
