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
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 73E
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