Let X be a random variable normally distributed with mean x = 3 and standard deviation ax = 4. Let Y = 4X + 2. 1. Find the mean μy of Y. 2. Find the standard deviation oy of Y. 3. Find the PDF fy of Y and evaluate fy (2).

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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How were the correct answers of 14, 16, and  0.0188 attained?

Let X be a random variable normally distributed with mean μx 3 and standard deviation ox = 4. Let Y = 4X + 2.
1. Find the mean μy of Y.
2. Find the standard deviation oy of Y.
3. Find the PDF fy of Y and evaluate fy (2).
(My, oy, fy (2)) = 14.0000,16.0000,0.0188
Transcribed Image Text:Let X be a random variable normally distributed with mean μx 3 and standard deviation ox = 4. Let Y = 4X + 2. 1. Find the mean μy of Y. 2. Find the standard deviation oy of Y. 3. Find the PDF fy of Y and evaluate fy (2). (My, oy, fy (2)) = 14.0000,16.0000,0.0188
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