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What is the expected value of the number that comes up when


Question: a) What is the expected value of the number that comes up when a fair octahedral die is rolled?

b) What is the variance of the number that comes up when a fair octahedral die is rolled? A dodecahedral die has 12 faces that are numbered 1 through 12.

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Mathematics: What is the expected value of the number that comes up when
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