BE 15. Amanufacturing plant utilizes 3000 electric light bulbs that have a length of life that is normally distributed with a mean of 500 hours and a standard deviation of 50 hours. To minimize the number of bulbs that burn out during operation hours, all the bulbs are replaced after a given SAPA period of operation. How often should the bulbs be replaced if we want not more than 2% of the bulbs to burn out between replacement periods? HO
BE 15. Amanufacturing plant utilizes 3000 electric light bulbs that have a length of life that is normally distributed with a mean of 500 hours and a standard deviation of 50 hours. To minimize the number of bulbs that burn out during operation hours, all the bulbs are replaced after a given SAPA period of operation. How often should the bulbs be replaced if we want not more than 2% of the bulbs to burn out between replacement periods? HO
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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15.
A manufacturing plant utilizes 3000 electric light bulbs that have a length of life that is normally
distributed with a mean of 500 hours and a standard deviation of 50 hours. To minimize the
number of bulbs that burn out during operation hours, all the bulbs are replaced after a given
period of operation. How often should the bulbs be replaced if we want not more than 2% of
the bulbs to burn out between replacement periods?"
Transcribed Image Text:borsq dinom-Estat
15.
A manufacturing plant utilizes 3000 electric light bulbs that have a length of life that is normally
distributed with a mean of 500 hours and a standard deviation of 50 hours. To minimize the
number of bulbs that burn out during operation hours, all the bulbs are replaced after a given
period of operation. How often should the bulbs be replaced if we want not more than 2% of
the bulbs to burn out between replacement periods?
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