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QUESTION 4 Bapco Runs a number of petrol stations around Bahrain, they want to find out the average liters of petrol used by cars. A sample of 20 cars were surveyed, on average 47.4 liters was pumped per car with a standard deviation of 1.88 Find only the upper limit of the confidence interval with 95% confidence interval. (Write your answer in 2 decimal places)

QUESTION 4 Bapco Runs a number of petrol stations around Bahrain, they want to find out the average liters of petrol used by cars. A sample of 20 cars were surveyed, on average 47.4 liters was pumped per car with a standard deviation of 1.88 Find only the upper limit of the confidence interval with 95% confidence interval. (Write your answer in 2 decimal places)

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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QUESTION 4 Bapco Runs a number of petrol stations around Bahrain, they want to find out the average liters of petrol used by cars. A sample of 20 cars were surveyed, on average 47.4 liters was pumped per car with a standard deviation of 1.88 Find only the upper limit of the confidence interval with 95% confidence interval. (Write your answer in 2 decimal places)
Transcribed Image Text:QUESTION 4 Bapco Runs a number of petrol stations around Bahrain, they want to find out the average liters of petrol used by cars. A sample of 20 cars were surveyed, on average 47.4 liters was pumped per car with a standard deviation of 1.88 Find only the upper limit of the confidence interval with 95% confidence interval. (Write your answer in 2 decimal places)
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