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Components that are critical for the operation of electrical systems are replaced immediately upon failure. Suppose that the life time of a certain such component can be modeled by a lognormal distribution with mean u = 500 hours and standard deviation o = 100 hours. Currently, 10 components are in storage. What is the approximate distribution of the average life time of the components in storage? a. N (500, 10) b. N(500, 10000) c. N (5000, 100000) d. N (500, 1000) e. None of the above. Components that are critical for the operation of electrical systems are replaced immediately upon failure. Suppose that the life time of a certain such component can be modeled by a lognormal distribution with mean u = 500 hours and standard deviation o = 100 hours. Currently, 10 components are in storage. What is the approximate distribution of the combined life time of all the components in storage?

Components that are critical for the operation of electrical systems are replaced immediately upon failure. Suppose that the life time of a certain such component can be modeled by a lognormal distribution with mean u = 500 hours and standard deviation o = 100 hours. Currently, 10 components are in storage. What is the approximate distribution of the average life time of the components in storage? a. N (500, 10) b. N(500, 10000) c. N (5000, 100000) d. N (500, 1000) e. None of the above. Components that are critical for the operation of electrical systems are replaced immediately upon failure. Suppose that the life time of a certain such component can be modeled by a lognormal distribution with mean u = 500 hours and standard deviation o = 100 hours. Currently, 10 components are in storage. What is the approximate distribution of the combined life time of all the components in storage?

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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Components that are critical for the operation of electrical systems are replaced immediately upon failure. Suppose that the life time of a certain such component can be modeled by a lognormal distribution with mean u = 500 hours and standard deviation o = 100 hours. Currently, 10 components are in storage. What is the approximate distribution of the average life time of the components in storage? O a. N (500, ) b. N (500, 10000) c. N (5000, 100000) d. N (500, 1000) e. None of the above. 10 Components that are critical for the operation of electrical systems are replaced immediately upon failure. Suppose that the life time of a certain such component can be modeled by a lognormal distribution with mean u = 500 hours and standard deviation o = 100 hours. Currently, 10 components are in storage. What is the approximate distribution of the combined life time of all the components in storage? a. N (500, 유) b. N(500, 10000) c. N (5000, 100000) d. N (500, 1000) e. None of the above. O O O
Transcribed Image Text:Components that are critical for the operation of electrical systems are replaced immediately upon failure. Suppose that the life time of a certain such component can be modeled by a lognormal distribution with mean u = 500 hours and standard deviation o = 100 hours. Currently, 10 components are in storage. What is the approximate distribution of the average life time of the components in storage? O a. N (500, ) b. N (500, 10000) c. N (5000, 100000) d. N (500, 1000) e. None of the above. 10 Components that are critical for the operation of electrical systems are replaced immediately upon failure. Suppose that the life time of a certain such component can be modeled by a lognormal distribution with mean u = 500 hours and standard deviation o = 100 hours. Currently, 10 components are in storage. What is the approximate distribution of the combined life time of all the components in storage? a. N (500, 유) b. N(500, 10000) c. N (5000, 100000) d. N (500, 1000) e. None of the above. O O O
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