Question: Suppose that the random variable X has the following pdf: f ( a) = 0 202 2 exp(-Ox ) for a > 0. What is

Suppose that the random variable X has the following pdf: f

Suppose that the random variable X has the following pdf: f ( a) = 0 202 2 exp(-Ox ) for a > 0. What is the variance of - ? A O (0 - 1)2 O 1-0 O O 203

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