Y is a random variable and "a" and "b" two real constants. Without resorting to the properties of variance, and knowing that there is the mean and variance of Y, calculate the variance of the random variable ay + b.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Group E
Y is a random variable and "a" and "b" two real constants. Without resorting to the
properties of variance, and knowing that there is the mean and variance of Y, calculate the
variance of the random variable aY + b.
Transcribed Image Text:Group E Y is a random variable and "a" and "b" two real constants. Without resorting to the properties of variance, and knowing that there is the mean and variance of Y, calculate the variance of the random variable aY + b.
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