The random variable X is defined by the density f(x) = 0.5u(x) e(0.5x). What is the variance of the random variable x is

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answerhappygod
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The random variable X is defined by the density f(x) = 0.5u(x) e(0.5x). What is the variance of the random variable x is

Post by answerhappygod »

a) 1/10
b) 3/80
c) 5/16
d) 3/16
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