MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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100%
The table below shows the respective probabilities that a number of power failures will strike a certain subdivision in any given​ year, with mean
​E(X)=1.5 and variance σ2x=1.25. Find the mean and the variance of the random variable Z=5X+8.
 
probability
0.2
0.4
0.1
0.3
 
power failures
0
1
2
3
 
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