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An electronics manufacturer wants to estimate the mean lifespan of an electronic component to within 3 hours. How many components should they sample, if they want to be 95% confident in their interval? Assume the population standard deviation is known to be 21 hours. 10 11 O 13 O 14 18 O 19 O 120 O 121 O 122 188

An electronics manufacturer wants to estimate the mean lifespan of an electronic component to within 3 hours. How many components should they sample, if they want to be 95% confident in their interval? Assume the population standard deviation is known to be 21 hours. 10 11 O 13 O 14 18 O 19 O 120 O 121 O 122 188

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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An electronics manufacturer wants to estimate the mean lifespan of an electronic component to within 3 hours. How many components should they sample, if they want to be 95% confident in their interval? Assume the population standard deviation is known to be 21 hours. 10 O 11 O 13 14 18 19 O 120 121 O122 188
Transcribed Image Text:An electronics manufacturer wants to estimate the mean lifespan of an electronic component to within 3 hours. How many components should they sample, if they want to be 95% confident in their interval? Assume the population standard deviation is known to be 21 hours. 10 O 11 O 13 14 18 19 O 120 121 O122 188
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