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QO A cty inctall: 5000 dectre lampa for street lighting The lamps come fram a different manufacturerand have a mean buming life of 1015 hourz We know from past experierce that the dutribution of burning ves approimate: a normal datributon. The 50 Tth lamp fals before 900 hout. Approximately what is the sondard deiaton di buming Ives for his set of lomps

QO A cty inctall: 5000 dectre lampa for street lighting The lamps come fram a different manufacturerand have a mean buming life of 1015 hourz We know from past experierce that the dutribution of burning ves approimate: a normal datributon. The 50 Tth lamp fals before 900 hout. Approximately what is the sondard deiaton di buming Ives for his set of lomps

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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09 A cty inctall: 5000 dectric lamps for street lighting. The lamps come fram a different manufacurerand have a mean burming life of 1015 hours We know fram past experierce that the diatribution of burning lve: approximate: a normal dstribution. The 501th lamp fails before 900 houre. Approximately what is the sandard deviaton d buming Ives for fis set of lamps
Transcribed Image Text:09 A cty inctall: 5000 dectric lamps for street lighting. The lamps come fram a different manufacurerand have a mean burming life of 1015 hours We know fram past experierce that the diatribution of burning lve: approximate: a normal dstribution. The 501th lamp fails before 900 houre. Approximately what is the sandard deviaton d buming Ives for fis set of lamps
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