Two fair dice, each with at least 6 faces, are rolled. On each face of each die is printed a distinct integer from 1 to the number of faces on that die, inclusive. The probability of rolling a sum of 7 is of the probability of rolling a sum of 10, and the probability of rolling a sum of 12 is . What is the least possible number of faces on the two dice combined? (A) 16 (В) 17 (С) 18 (D) 19 (E) 20

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Two fair dice, each with at least 6 faces, are rolled. On each face of each
die is printed a distinct integer from 1 to the number of faces on that die,
inclusive. The probability of rolling a sum of 7 is of the probability of
rolling a sum of 10, and the probability of rolling a sum of 12 is 5. What
is the least possible number of faces on the two dice combined?
3
4
12
(A) 16
(В) 17
(С) 18
(D) 19
(E) 20
Transcribed Image Text:Two fair dice, each with at least 6 faces, are rolled. On each face of each die is printed a distinct integer from 1 to the number of faces on that die, inclusive. The probability of rolling a sum of 7 is of the probability of rolling a sum of 10, and the probability of rolling a sum of 12 is 5. What is the least possible number of faces on the two dice combined? 3 4 12 (A) 16 (В) 17 (С) 18 (D) 19 (E) 20
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