Proportion of multiples of 3in a die roll 3 and 6 are, Ask an Expert

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Proportion of Multiples of 3

In a die roll, 3 and 6 are multiples of 3 and 1, 2, 4, and 5 are not multiples of 3. Consider 90 rolls of a die on a random basis.

a. From how many outcomes of the 90 rolls would you expect to get multiples of 3, on average?

b. If you actually counted, would you get exactly the number you predicted in part a? Explain.

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