Given independent random variables, X and Y, with means and standard deviations as shown, find the mean

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Given independent random variables, X and Y, with means and standard deviations as shown, find the mean and standard deviation of each of the variables in parts a to d.

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Business Statistics

ISBN: 9780321716095

2nd Edition

Authors: Norean D. Sharpe, Paul F. Velleman, David Bock, Norean Radke Sharpe

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Question Posted: Sep 06, 2024 11:03 AM

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Given independent random variables, X and Y, with means and standard deviations as shown, find the mean

Question:

a) X 20 b) 0.5Y Mean SD c) X + Y X 80 12 d) X - Y Y 12 3

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Business Statistics

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