SOLUTION: A pair of dice is rolled. What is the probability of getting a sum greater than 5? What is the probability of getting a sum less that 8?

Algebra ->  Probability-and-statistics -> SOLUTION: A pair of dice is rolled. What is the probability of getting a sum greater than 5? What is the probability of getting a sum less that 8?       Log On


   



Question 472317: A pair of dice is rolled. What is the probability of getting a sum greater than 5? What is the probability of getting a sum less that 8?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
A pair of dice is rolled.
P(sum > 5) = (5 + 6 +5 +4 + 3 + 2 + 1)/36 = 32/36 = 8/9
P(sum < 8 = (6 + 5 + 4 + 3 + 2 + 1)/36 = 24/36 = 2/3
___1_2_3__4__5__6
1|_2_3_4__5__6__7
2|_3_4_5__6__7__8
3|_4_5_6__7__8__9
4|_5_6_7__8__9_10
5|_6_7_8__9_10_11
6|_7_8_9_10_11_12