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Mathematics, 14.04.2020 21:42 Eddie997

For certain ore samples, the proportion Y of impurities per sample is a random variable with density function f(y) = 9 2 y8 + y, 0 ≤ y ≤ 1, 0, elsewhere. The dollar value of each sample is W = 7 − 0.7Y. Find the mean and variance of W. (Round your answers to four decimal places.)

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