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The mean of X = 5 and the variance of X = 4. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 400 and the standard deviation of Xnew = 6. Suppose b is a negative number. What does a equal? 5.

The mean of X = 5 and the variance of X = 4. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 400 and the standard deviation of Xnew = 6. Suppose b is a negative number. What does a equal? 5.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The mean of X = 10 and the standard deviation of X = 2. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 800 and the variance of Xnew = 100. Suppose b is a negative number. What does a equal? 4. The mean of X = 5 and the variance of X = 4. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 400 and the standard deviation of Xnew = 6. Suppose b is a negative number. What does a equal? 5.
Transcribed Image Text:The mean of X = 10 and the standard deviation of X = 2. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 800 and the variance of Xnew = 100. Suppose b is a negative number. What does a equal? 4. The mean of X = 5 and the variance of X = 4. The variable X is linearly transformed such that Xnew = a + bX. The mean of Xnew = 400 and the standard deviation of Xnew = 6. Suppose b is a negative number. What does a equal? 5.
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