Question: Let X and Y be random variables, and let Y = aX + b, where a and b are constants. Show that (a) XY =

Let X and Y be random variables, and let Y = aX + b, where a and b are constants. Show that
(a) ρXY = 1 if a > 0, and
(b) ρXY = 1 if a < 0.

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