A standard pair of six sided dice is rolled What is the prob

Solution

There are 6*6 = 36 ways to roll 2 dice.

There is 1 way to get a sum of 2.
There are 2 ways to get a sum of 3.
There are 3 ways to get a sum of 4.
There are 4 ways to get a sum of 5.
There are 5 ways to get a sum of 6.
There are 6 ways to get a sum of 7.
There are 5 ways to get a sum of 8.

For a total of 26 ways,

Hence

P(sum less than or equal to 8) = 26/36

= 13/18 or 0.722222222 [ANSWER]