A standard six-sided die is rolled twice. What is the probability that the product of the rolls is 3 or 12?
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A standard six-sided die is rolled twice. What is the probability that the product of the rolls is 3 or 12?
Ways to get 3 1, 3 3, 1 = 2 ways
Ways to get 12 2, 6 3, 4 4, 3 6, 2 = 4 ways
total = 6 ways
Total number of possible rolls is 6 • 6 = 36 ways
Probability of desired product is 6 / 36 = 1 / 6
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