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AMC 10 2022b Problem 12

  • Paper

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}? (A) 2(B) 3(C) 4(D) 5(E) 6\textbf{(A) } 2 \textbf{(B) } 3 \textbf{(C) } 4 \textbf{(D) } 5 \textbf{(E) } 6

Dataset text NuminaMath-1.5. Quoted with source.

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