The daily sales of Hi-White toothpaste are believed to be approximately normally distributed. For a random sample of 21 days, the standard deviation sales turned out to be 18.59 tubes. Find the crtical value that corresponds to the confidence interval if the margin of error is 7.32. Roune your answer to three decimal places.
The daily sales of Hi-White toothpaste are believed to be approximately normally distributed. For a random sample of 21 days, the standard deviation sales turned out to be 18.59 tubes. Find the crtical value that corresponds to the confidence interval if the margin of error is 7.32. Roune your answer to three decimal places.
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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Transcribed Image Text:QUESTION 30
The daily sales of Hi-White toothpaste are believed to be approximately normally distributed. For a random sample of 21 days, the standard
deviation sales turned out to be 18.59 tubes. Find the crtical value that corresponds to the confidence interval if the margin of error is 7.32. Round
your answer to three decimal places.
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