If a light bulb manufacturing company wants to estimate, with 90% confidence, the mean life of compact fluorescent light bulbs to within ±150 hours and also assumes that the population standard deviation is 900 hours, how many compact fluorescent light bulbs need to be selected? Question content area bottom Part 1 n=
If a light bulb manufacturing company wants to estimate, with 90% confidence, the mean life of compact fluorescent light bulbs to within ±150 hours and also assumes that the population standard deviation is 900 hours, how many compact fluorescent light bulbs need to be selected? Question content area bottom Part 1 n=
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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Question
If a light bulb manufacturing company wants to estimate, with
mean life of compact fluorescent light bulbs to within
90%
confidence, the ±150
hours and also assumes that the population standard deviation is
900
hours, how many compact fluorescent light bulbs need to be selected?Question content area bottom
Part 1
n=
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