Let X be a random variable with E[X] = 6 and Var(X) = 1. Let Y = 1X + 2. 1. Find the expectation E[Y] of Y. 2. Find the variance Var (Y) of Y. (E[Y], Var(Y)) = 8.0000,1.0000

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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How were the correct answers of 8.0000 and 1.0000 attained?

Let X be a random variable with E[X] = 6 and Var(X) = 1. Let Y = 1X + 2.
1. Find the expectation E[Y] of Y.
2. Find the variance Var (Y) of Y.
(E[Y], Var(Y)) = 8.0000,1.0000
Transcribed Image Text:Let X be a random variable with E[X] = 6 and Var(X) = 1. Let Y = 1X + 2. 1. Find the expectation E[Y] of Y. 2. Find the variance Var (Y) of Y. (E[Y], Var(Y)) = 8.0000,1.0000
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