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38. Parking lots A survey of autos parked in student and staff lots at a large university classified the brands by country of origin, as seen in the table. Origin American European Asian Driver Student 107 33 55 Staff 105 12 47 a) What percent of all the cars surveyed were foreign? b) What percent of the American cars were owned by students? c) What percent of the students owned American cars?

38. Parking lots A survey of autos parked in student and staff lots at a large university classified the brands by country of origin, as seen in the table. Origin American European Asian Driver Student 107 33 55 Staff 105 12 47 a) What percent of all the cars surveyed were foreign? b) What percent of the American cars were owned by students? c) What percent of the students owned American cars?

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
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38. Parking lots A survey of autos parked in student and staff lots at a large university classified the brands by country of origin, as seen in the table. Origin American European Asian Driver Student 107 33 55 Staff 105 12 47 a) What percent of all the cars surveyed were foreign? b) What percent of the American cars were owned by students? c) What percent of the students owned American cars? d) What is the marginal distribution of origin? e) What are the conditional distributions of origin by driver classification? f) Do you think that the origin of the car is independent of the type of driver? Explain.
Transcribed Image Text:38. Parking lots A survey of autos parked in student and staff lots at a large university classified the brands by country of origin, as seen in the table. Origin American European Asian Driver Student 107 33 55 Staff 105 12 47 a) What percent of all the cars surveyed were foreign? b) What percent of the American cars were owned by students? c) What percent of the students owned American cars? d) What is the marginal distribution of origin? e) What are the conditional distributions of origin by driver classification? f) Do you think that the origin of the car is independent of the type of driver? Explain.
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