Pb(Z = z) = B (8.25z - z2) with z E {1, 2, ......., 5}. What value must B be to ensure the probability mass function for Z, equation(1), is valid?

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Q: Pb (Z = z) = B (8.25z - z2) with z E {1, 2, ......, 5}. Find the mean and variance of Z using…

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