The lengths of nails produced by a machine are known to be distributed normallywith mean u mm and standard deviation 0.7 mm. The lengths, in mm, of a random sample of 5 nails are 107.29, 106.56, 105.94, 106.99, 106.47. Calculatethe 80% confidence interval for u .

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Description: The lengths of nails produced by a machine are known to be distributed normallywith mean u mm and standard deviation 0.7 mm. The lengths, in mm, of a random sample of 5 nails are 107.29, 106.56, 105.94, 106.99, 106.47. Calculatethe 80% confidence int

Given information and calculation is- Nails (mm) (X-x̅)2 107.29 0.410 106.56 0.008 105.94…

Answered: The lengths of nails produced by a…

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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The lengths of nails produced by a machine are known to be distributed normally

with mean u mm and standard deviation 0.7 mm. The lengths, in mm, of a random sample of 5 nails are 107.29, 106.56, 105.94, 106.99, 106.47. Calculate

the 80% confidence interval for u .

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