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Each of five, standard, six-sided dice is rolled once. What is the probability that there is at least one pair?  (In other words, what is the probability that there are two rolls that are equal?)

 Oct 27, 2020
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Probability = 1 - {(6 * 5 * 4 * 3 * 2) / 6^5} = 49 / 54 = 0.907407

 Oct 28, 2020

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