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3. A researcher of a cardboard manufacturing company would like to know the of the cardboard machine produces. How many estimated thickness cardboards should he measure if he wants to be 99% confident that the estimate a is accurate to 1 mm. Study shows that the standard deviation is 3mm.

3. A researcher of a cardboard manufacturing company would like to know the of the cardboard machine produces. How many estimated thickness cardboards should he measure if he wants to be 99% confident that the estimate a is accurate to 1 mm. Study shows that the standard deviation is 3mm.

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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3. A researcher of a cardboard manufacturing company would like to know the estimated thickness of the cardboard a machine produces. How many cardboards should he measure if he wants to be 99% confident that the estimate is accurate to 1 mm. Study shows that the standard deviation is 3mm.
Transcribed Image Text:3. A researcher of a cardboard manufacturing company would like to know the estimated thickness of the cardboard a machine produces. How many cardboards should he measure if he wants to be 99% confident that the estimate is accurate to 1 mm. Study shows that the standard deviation is 3mm.
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