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An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is x = 1.22 and the sample standard deviation is s = 0.30. Find a 99% lower confidence bound on the true Izod impact strength. Assume the data are normally distributed. Round your answer to 3 decimal places. i ≤ μ

An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is x = 1.22 and the sample standard deviation is s = 0.30. Find a 99% lower confidence bound on the true Izod impact strength. Assume the data are normally distributed. Round your answer to 3 decimal places. i ≤ μ

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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An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is \( \bar{x} = 1.22 \) and the sample standard deviation is \( s = 0.30 \). Find a 99% lower confidence bound on the true Izod impact strength. Assume the data are normally distributed. Round your answer to 3 decimal places. \[ \text{Input Box: } \boxed{ \hspace{28pt} } \leq \mu \]
Transcribed Image Text:An Izod impact test was performed on 20 specimens of PVC pipe. The sample mean is \( \bar{x} = 1.22 \) and the sample standard deviation is \( s = 0.30 \). Find a 99% lower confidence bound on the true Izod impact strength. Assume the data are normally distributed. Round your answer to 3 decimal places. \[ \text{Input Box: } \boxed{ \hspace{28pt} } \leq \mu \]
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