The random variable X is defined by the density f(x) = 0.5u(x) e(0.5x). What is the expect value of g(x) = X3?

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

1.	The random variable X is defined by the density f(x) = 0.5u(x) e^(0.5x). What is the expect value of g(x) = X³?
A.	48
B.	192
C.	36
D.	72
Answer» B. 192

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The random variable X is defined by the density f(x) = 0.5u(x) e(0.5x). What is the expect value of g(x) = X3?

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The random variable X is defined by the density f(x) = 0.5u(x) e^(0.5x). What is the expect value of g(x) = X³?