8. Let the joint probability density function of random variables X and Y be bivariate normal. Show...
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8. Let the joint probability density function of random variables X and Y be bivariate normal. Show that if σX = σY , then X + Y and X − Y are independent random variables.
Hint: Show that the joint probability density function ofX+Y andX−Y is bivariate normal with correlation coefficient 0.
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Related Book For
Fundamentals Of Probability With Stochastic Processes
ISBN: 9780429856273
4th Edition
Authors: Saeed Ghahramani
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