Question: Find the expected value of the random variable. Let X have density Fx(x) = 1/3e-x/3 For 0 < x, and fx(x) = 0 otherwise.

Find the expected value of the random variable.
Let X have density
Fx(x) = 1/3e-x/3
For 0 < x,
and fx(x) = 0 otherwise.

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