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2022 AMC 10B Problem 12

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2022 AMC 10B Problem 12AMC 10 Step by Step
Name:                             Date: September 13, 2026
Basic Probability · difficulty 2 of 5 · about 3 min · position P11-15

A pair of fair 66 -sided dice is rolled nn times. What is the least value of nn such that the probability that the sum of the numbers face up on a roll equals 77 at least once is greater than 12\frac{1}{2} ?

  1. A)

    22

  2. B)

    33

  3. C)

    44

  4. D)

    55

  5. E)

    66

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