There are 36 possible outcomes.
List the ones you want. For example, sum < 6:
1 4
2 3
3 2
4 1
There are 4 ways to get that, so P(sum<6) = 4/36
Same for the other one.
A pair of fair dice is rolled. What is the probability of each of the following? (Round your answers to three decimal places.)
(a) the sum of the numbers shown uppermost is less than 6
(b) at least one 6 is cast
1 answer