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Unformatted text preview: ) = R (1F X ( x )) dx . This statement is (a) True. (b) False. Problem 4 Let X be the uniform random variable on the interval [530 , 550]. Then (a) E ( X ) = 530. (b) E ( X ) = 550. (c) E ( X ) = 540. (d) E ( X ) = 350. 1 Problem 5 Let X be an exponential random variable with parameter 5. Then (a) P ( X 4) = e4 5 . (b) P ( X 4) = 1e4 5 . (c) P ( X 4) = 1 5 e4 5 . (d) P ( X 4) = 1 5 (1e4 5 ). Note that you have to compute P ( X 4), and not P ( X 4). 2...
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 Spring '08
 Staff
 Probability

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