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Consider a hypothetical fair die of nine sides, each side with one of the following numbers:...

Consider a hypothetical fair die of nine sides, each side with one of the following numbers: 3, 7, 11, 15, 19, 23, 27, 31, 35.

The expected value of the random experiment of rolling the fair 9-sided die, which we denote X, is given by E(X) =

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