Two fair dice are rolled. What is the probability that the sum is 7?

Answer and explanation

Correct answer: A.

  1. Step 1: The favourable pairs are , which is 6 outcomes of 36. Step 2. So . **Answer: . Why not the others:** counts only half of the ordered pairs, uses the sum itself as a count, and divides by the sum.

Practise more Algebra, Functions, Calculus and Probability.

Free questions with an explanation for every one, and full timed Stúdentspróf (Iceland) mock tests.