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.
a) 3X
b) Y + 6
c) X+ Y
d) X-Y

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Business Statistics

ISBN: 9780321925831

3rd Edition

Authors: Norean Sharpe, Richard Veaux, Paul Velleman

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Question Posted: May 14, 2015 06:55 AM

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

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Mean SD X 10 2 Y205

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a 3X 3 10 30 3 2 6 b Y 6 20 ...View the full answer

Business Statistics

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