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) X €“ 20
b) 0.5T
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 06:51 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 80 12 3 12

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a X 20 80 20 60 12 b 05Y 05 12 ...View the full answer

Business Statistics

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