Question: 1. Problem10.12Let X beanonnegativecontinuousrandomvariablewithdensity function f (x). Use an interchange of the order of integration to verify that E(X) = 0 P(X >u)du.

1. Problem10.12Let X beanonnegativecontinuousrandomvariablewithdensity function f (x). Use an interchange of the order of integration to verify that E(X) = ∞

0 P(X >u)du.

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