If the random variables X and Y are related through the expression Y = aX + b
Question:
Y = aX + b
show that they have a correlation of I if a > 0 and of -1 if a < 0.
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Notice that EY aEX b and VarY a 2 Va...View the full answer
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Related Book For 
Probability And Statistics For Engineers And Scientists
ISBN: 9780495107576
3rd Edition
Authors: Anthony Hayter
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