A manufacturing plant utilizes 3000 electric light bulbs whose length of life is 500 hours and standard deviation 50 hours. To minimize the number of bulbs hours, all the bulbs are replaced after a given period of operation. How often s want not more than 1% of the bulbs to burn out between replacement periods
A manufacturing plant utilizes 3000 electric light bulbs whose length of life is 500 hours and standard deviation 50 hours. To minimize the number of bulbs hours, all the bulbs are replaced after a given period of operation. How often s want not more than 1% of the bulbs to burn out between replacement periods
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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Transcribed Image Text:A manufacturing plant utilizes 3000 electric light bulbs whose length of life is normally distributed with mean
500 hours and standard deviation 50 hours. To minimize the number of bulbs that burn out during operating
hours, all the bulbs are replaced after a given period of operation. How often should the bulbs be repladed if we
want not more than 1% of the bulbs to burn out between replacement periods? (use comma please)
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