A machine produces metal discs with a diameter of 12cm. The diameters of discs need to be exactly 12cm with only a small variation of 2%. On a particular day, the manufacturing manager measured the diameters of 50 discs and noted that the mean is 11.5cm. It is assumed that the diameters of discs are normally distributed with a standard deviation of 1.8cm. Conduct a hypothesis testing using the critical value approach, at the 0.1 level of significance. Is there evidence that the machine is not producing the discs at the specified diameter of 12cm?

A machine produces metal discs with a diameter of 12cm. The diameters of discs need to be exactly 12cm with only a small variation of 2%. On a particular day, the manufacturing manager measured the diameters of 50 discs and noted that the mean is 11.5cm. It is assumed that the diameters of discs are normally distributed with a standard deviation of 1.8cm. Conduct a hypothesis testing using the critical value approach, at the 0.1 level of significance. Is there evidence that the machine is not producing the discs at the specified diameter of 12cm?

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Description: Please provide handwriiten neat and clean answers A machine produces metal discs with a diameter of 12cm. The diameters of discsneed to be exactly 12cm with only a small variation of 2%. On a particular day, themanufacturing manager measured the diam

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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