Answer:
Remember that there are 6 possible outcomes for a single roll.
1. 1/6
2. 2/6 (either roll 5 or 6) or 1/3
3. 4/6 or 2/3
4. 2, 4, and 6, so 1/2
5. 1, 3, and 5, so 1/2 as well
6. Prime numbers are 2, 3, and 5, so 1/2
7. 1/6 + 1/6 = 2/6 or 1/3
8. Only even prime is 2, so 1/6
Hope this helps
