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3. A company that manufactures cars would like to determine the mileage of their brand-new cars. If a 98% confidence level with a 2 miles per gallon is desired, how many automobiles should be used in the test? Previous test results showed a variance of 7.57. Interpretation:

3. A company that manufactures cars would like to determine the mileage of their brand-new cars. If a 98% confidence level with a 2 miles per gallon is desired, how many automobiles should be used in the test? Previous test results showed a variance of 7.57. Interpretation:

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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3. A company that manufactures cars would like to determine the mileage of their brand-new cars. If a 98% confidence level with a 2 miles per gallon is desired, how many automobiles should be used in the test? Previous test results showed a variance of 7.57. Interpretation:
Transcribed Image Text:3. A company that manufactures cars would like to determine the mileage of their brand-new cars. If a 98% confidence level with a 2 miles per gallon is desired, how many automobiles should be used in the test? Previous test results showed a variance of 7.57. Interpretation:
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