Question: two dice are thrown at the same time find the probability of getting the sum on the dice is 8?
Answer: You can get the pairs (2,6), (3,5), (4,4), (5,3), (6,2). That's 5 ways of getting a sum of 8. There are 6*6 = 36 possibilities, so the probability is 5/36= 13.9% approximately.