1. Math
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  3. answer is e but please explain why...

Question: answer is e but please explain why...

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12. Suppose that X is an exponential random variable with mean θ, where θ is uniformly distributed on [0, 2 Find EX2 (A) 2/3 (B) 1 (C) 4/3 (D) 2 (E) 8/3
Answer is E but please explain why

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