The random variable X has an expectation of 77 and a standard deviation of 9. Find the

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The random variable X has an expectation of 77 and a standard deviation of 9. Find the values of a and b such that the random variable Y = a + bX has an expectation of 1000 and a standard deviation of 10.

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Probability And Statistics For Engineers And Scientists

ISBN: 9780495107576

3rd Edition

Authors: Anthony Hayter

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Question Posted: Jun 22, 2016 07:04 AM

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The random variable X has an expectation of 77 and a standard deviation of 9. Find the

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1000 EY a bE X a b 77 102 ...View the full answer

Probability And Statistics For Engineers And Scientists

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