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Name: A car manufacturer claims that a new model QX has an average fuel effi
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Description: A car manufacturer claims that a new model QX has an average fuel efficiency µ =35 miles per gallon on the highway, and a standard deviation σ=5. The American Automobile Association randomly selects 16 new QXs and measures their fuel efficiency at 33

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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A car manufacturer claims that a new model QX has an average fuel efficiency µ =35 miles per gallon on the highway, and a standard deviation σ=5. The American Automobile Association randomly selects 16 new QXs and measures their fuel efficiency at 33 miles per gallon. Is the car manufacturer truthful in advertising QX’s fuel efficiency as being 35 miles per gallon, assuming =0.05?

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