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95% confidence interval, upper and lower limit

95% confidence interval, upper and lower limit

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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95% confidence interval, upper and lower limit

A cruise company would like to estimate the average beer consumption to plan its beer inventory levels on future seven-day cruises. (The ship certainly doesn't want to run out of beer in the middle of the ocean!) The average beer consumption over 20 randomly selected seven-day cruises was 81,805 bottles with a sample standard deviation of 4,572 bottles. Complete parts a and b below.
Transcribed Image Text:A cruise company would like to estimate the average beer consumption to plan its beer inventory levels on future seven-day cruises. (The ship certainly doesn't want to run out of beer in the middle of the ocean!) The average beer consumption over 20 randomly selected seven-day cruises was 81,805 bottles with a sample standard deviation of 4,572 bottles. Complete parts a and b below.
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