Question

When two balanced dice are rolled, there are 36 possible outcomes. Find the probability that the sum is a multiple of 3 or greater than 6.

Answer 1

The answer is 9 it’s a multiple of 3 and is also greater than 6

Answer 2

7/9

Explanation:

All but 8 of the 36 outcomes are a multiple of 3 or greater than 6. The probability is ...

p(x mod 3 = 0 | x > 6) = 28/36 = 7/9