Question: Suppose a random variable X has a PDF which is nonzero only on the interval [ 0, 8 ) . That is, the random variable

Suppose a random variable X has a PDF which is nonzero only on the interval [ 0, 8 ) . That is, the random variable cannot take on negative values. Prove that
8. E[X] = [1-Fr(x)]dx. %3D

8. E[X] = [1-Fr(x)]dx. %3D

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