7. A bottling company helps various brands to fill up 330ml cans with soft drinks. It is noted that the volume of soft drinks filled follows a normal distribution. Twenty (20) such cans were randomly tested and the mean volume is 327ml while the standard deviation is 2.8ml. a) What is the 99% confidence interval for the mean volume of soft drinks filled? b) With reference to this context, explain the meaning of the confidence interval that you have obtained and interpret the confidence level.
7. A bottling company helps various brands to fill up 330ml cans with soft drinks. It is noted that the volume of soft drinks filled follows a normal distribution. Twenty (20) such cans were randomly tested and the mean volume is 327ml while the standard deviation is 2.8ml. a) What is the 99% confidence interval for the mean volume of soft drinks filled? b) With reference to this context, explain the meaning of the confidence interval that you have obtained and interpret the confidence level.
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:7.
A bottling company helps various brands to fill up 330ml cans with soft drinks. It is noted
that the volume of soft drinks filled follows a normal distribution. Twenty (20) such cans
were randomly tested and the mean volume is 327ml while the standard deviation is 2.8ml.
a) What is the 99% confidence interval for the mean volume of soft drinks filled?
b) With reference to this context, explain the meaning of the confidence interval that
you have obtained and interpret the confidence level.
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