A standard 6-sided die is rolled twice. What is the probability that the sum of the two rolls is equal to 7?
Answer and explanation
Correct answer: B.
- Step 1: Total possible outcomes when rolling two dice is .
- Step 2: Outcomes that sum to 7: (6 favorable outcomes).
- Step 3: Probability: .
Answer
\frac{1}{6}.
Why not the others: '' is ; '' incorrectly assumes 7 favorable outcomes; '' is the probability of summing to 6 or 8.
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