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Name: A testing engineer in a light bulb factory is planning a study to esti
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Description: A testing engineer in a light bulb factory is planning a study to estimate the average life of a large shipment of light bulbs. The engineer wants to estimate the average life within plus or minus 16 hours with 95 percent confidence. Assuming a proce

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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A testing engineer in a light bulb factory is planning a study to estimate the average life of a large shipment of light bulbs. The engineer wants to estimate the average life within plus or minus 16 hours with 95 percent confidence. Assuming a process standard deviation of 90 hours, what is the sample size for this study?

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