Solved: Given a random variable X, with standard deviation
Chapter 5, Problem 4.48(choose chapter or problem)
Given a random variable X, with standard deviation \(\sigma_X\), and a random variable Y = a + bX, show that if b < 0, the correlation coefficient \(\rho_{XY} = −1\), and if b > 0, \(\rho_{XY} = 1\).
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