With 2 dice, there are 36 outcomes
Of those, a sum of 5 can be made in 4 ways (1 + 4, 2 + 3, 3 + 2, 4 + 1)
⇒ pr(5) = 4/36
= 1/9
≈ 0.11
≈ 11 %
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The probability of not rolling a sum of six with two fair dice is 1 minus the probability of rolling a sum of six. There are 36 permutations of rolling two dice. Of these, five sum to six, 1+5, 2+4, 3+3, 4+2, and 5+1. The probability, then of rolling a sum of six is 5 in 36. The probability, then of not rolling a sum of six is 31 in 36, or about 0.8611.
The probability of rolling a total of 3 or less on two dice is 3 in 36 or 1 in 12.
Zero is the probability of rolling a sum of 15 on two fair dice; the maximum value is 12.
5 in 36
The probability is 29/36.