Determine the mean and variance of the random

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Reference no: EM13642385

Determine the mean and variance of the random variable.

f(x) = (64 / 21)( 1/4)x , x = 1,2,3

Round your answers to three decimal places (e.g. 98.765).

The mean is =

The variance is =

Reference no: EM13642385

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