In mathematics, what is the probability of rolling a sum of 7 when rolling two fair six-sided dice?

Answer and explanation

Correct answer: B.

  1. Step 1: The favourable outcomes are (1,6), (2,5), (3,4), (4,3), (5,2), (6,1): exactly 6 out of 36 possibilities, giving . **Answer: . Why not the others:** the alternative values result from arithmetic errors, improper formula applications, or sign mistakes.

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