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A continuous random variable has pdf fx(x) = e-2Ixl. Find the mean and variance of X. [Hint: you may need to use integration by parts.]

A continuous random variable has pdf fx(x) = e-2Ixl. Find the mean and variance of X. [Hint: you may need to use integration by parts.] Compute P(|X| 2 10) and compare it with the estimate obtained from Chebyshev's inequality

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