Question: Find the variance of the given random variable. Let X have density fx(x) = 2/25x, for 0 x 5, and fx(x) = 0

Find the variance of the given random variable.
Let X have density
fx(x) = 2/25x,
for 0 ≤ x ≤ 5,
and fx(x) = 0 otherwise.

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