Two fair dice are rolled. What is the probability that the sum is 7?
Answer and explanation
Correct answer: A.
- Step 1: There are 36 equally likely outcomes. Step 2. Six of them give a sum of 7: (1,6), (2,5), (3,4), (4,3), (5,2), (6,1). So . **Answer: . Why not the others:** 1/12 counts only three outcomes, 7/36 treats the sum as a count, and 1/7 divides by the sum.
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