If the random variables X and Y are independent and have equal variances, what is the coefficient

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If the random variables X and Y are independent and have equal variances, what is the coefficient of correlation between the random variables X and aX + Y, where a is a constant?
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Mathematical Statistics With Applications In R

ISBN: 9780124171138

2nd Edition

Authors: Chris P. Tsokos, K.M. Ramachandran

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