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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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2. A survey was done in the town of Mechanicsville to estimate the proportion of cars that are red. A random sample of 25 cars from a student parking lot at Lee-Davis High School was taken. Which of the following statements is not correct? (a) This sample may not be representative of the cars in Mechanicsville because mainly students park at Lee-Davis High School. (b) If the particular parking space is vacant, we can simply select another parking space at random because it is unlikely that a space being vacant is related to the color of the car. (c) It would an error to simply select the first 25 parking spaces in the lot closest to the auditorium because there are a number of parking spaces there reserved for Drivers Ed vehicles, whose primary color is white. mo3 (d) A different team doing the sampling independently would likely obtain a different answer for their sample proportion. (e) The results can be applied to all cars in the city of Mechanicsville. ewstenihir nA (6) czbour elgni
Transcribed Image Text:2. A survey was done in the town of Mechanicsville to estimate the proportion of cars that are red. A random sample of 25 cars from a student parking lot at Lee-Davis High School was taken. Which of the following statements is not correct? (a) This sample may not be representative of the cars in Mechanicsville because mainly students park at Lee-Davis High School. (b) If the particular parking space is vacant, we can simply select another parking space at random because it is unlikely that a space being vacant is related to the color of the car. (c) It would an error to simply select the first 25 parking spaces in the lot closest to the auditorium because there are a number of parking spaces there reserved for Drivers Ed vehicles, whose primary color is white. mo3 (d) A different team doing the sampling independently would likely obtain a different answer for their sample proportion. (e) The results can be applied to all cars in the city of Mechanicsville. ewstenihir nA (6) czbour elgni
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