You are in charge of quality control for the production of precision forged steel rods. How large a sample should you inspect each day if you want to be 99% sure that the average length of these rods is no more than .001 inches different from what it is supposed to be? Assume from production records that the standard deviation of rod lengths is .003 inches and that more than a thousand rods
You are in charge of quality control for the production of precision forged steel rods. How large a sample should you inspect each day if you want to be 99% sure that the average length of these rods is no more than .001 inches different from what it is supposed to be? Assume from production records that the standard deviation of rod lengths is .003 inches and that more than a thousand rods
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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You are in charge of quality control for the production of precision forged steel rods. How large
a sample should you inspect each day if you want to be 99% sure that the average length of these
rods is no more than .001 inches different from what it is supposed to be? Assume from production
records that the standard deviation of rod lengths is .003 inches and that more than a thousand rods
are produced each day.
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