Two fair dice are rolled. What is the probability that the sum is 8?

Answer and explanation

Correct answer: D. 5/36

  1. Step 1: The pairs are (2,6), (3,5), (4,4), (5,3) and (6,2). Step 2. 5 out of 36 equally likely outcomes. Answer: 5/36. Why not the others: 6 pairs give a sum of 7, not 8.

Practise more Geometry, trigonometry and probability.

Free questions with an explanation for every one, and full timed DTM University Entrance Test (Uzbekistan) mock tests.