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A confidence interval estimate is desired for the true mean gain in a circuit on a semiconductor device. Assume that the gain is normally distributed with a standard deviation o = 20. How large must n be if the length of the 95% CI on μ is to be 30?

A confidence interval estimate is desired for the true mean gain in a circuit on a semiconductor device. Assume that the gain is normally distributed with a standard deviation o = 20. How large must n be if the length of the 95% CI on μ is to be 30?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A confidence interval estimate is desired for the true mean gain in a circuit on a semiconductor device. Assume that the gain is normally distributed with a standard deviation o = 20. How large must n be if the length of the 95% CI on μ is to be 30?
Transcribed Image Text:A confidence interval estimate is desired for the true mean gain in a circuit on a semiconductor device. Assume that the gain is normally distributed with a standard deviation o = 20. How large must n be if the length of the 95% CI on μ is to be 30?
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