Question: (a) Let X be a continuous, nonnegative random variable [f(x) = 0 for x where Fx(x) is the cdf of X. (b) Let X be

(a) Let X be a continuous, nonnegative random variable [f(x) = 0 for x
[1- Fx(1) dr, %3D EX = 0.

where Fx(x) is the cdf of X.
(b) Let X be a discrete random variable whose range is the nonnegative integers. Show that

(a) Let X be a continuous, nonnegative random variable [f(x)

where Fx(k) - P(X ‰¤ k). Compare this with part (a).

[1- Fx(1) dr, %3D EX = 0.

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