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May 24, 2015

Homework Help: Geometry

Posted by John on Tuesday, March 12, 2013 at 10:04pm.

Six standard six-sided die are rolled. Let p be the probability that the dice can be arranged in a row such that for 1\leq k \leq 6 the sum of the first k dice is not a multiple of 3. Then p can be expressed as \frac{a}{b} where a and b are coprime positive integers. What is the value of a + b?

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