Question: Suppose is a probability density function for the random variable X with mean m. Show that its variance satisfies Var (X) = 20 X2f(X

Suppose ƒ is a probability density function for the random variable X with mean m. Show that its variance satisfiesVar (X) = 20 X2f(X ) dX = 2. -

Var (X) = 20 X2f(X ) dX = 2. -

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