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# friend requested help on homework

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Adam rolled two standard six-sided dice once. What is the probability that he did not roll a prime number on either die? Express your answer as a common fraction.

Jun 17, 2020

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There are three numbers that are not prime: 1, 4, 6.

So the probability that he did not roll a prime number on either die is

$$\frac{1}{2}*\frac{1}{2}=\frac{1}{4}$$

Jun 17, 2020