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City planners are trying to decide among various parking plan options. Before making a decision, they wish to test the downtown merchants' claim that shoppers park for an average of 47 minutes in the downtown area. The planners record parking durations of 225 randomly selected shoppers and find that the average parking time was 50 minutes with a standard deviation of 27 minutes. Is there evidence at the 0.05 significance level that the merchants' claim is wrong?

City planners are trying to decide among various parking plan options. Before making a decision, they wish to test the downtown merchants' claim that shoppers park for an average of 47 minutes in the downtown area. The planners record parking durations of 225 randomly selected shoppers and find that the average parking time was 50 minutes with a standard deviation of 27 minutes. Is there evidence at the 0.05 significance level that the merchants' claim is wrong?

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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City planners are trying to decide among various parking plan options. Before making a decision, they wish to test the downtown merchants' claim that shoppers park for an average of 47 minutes in the downtown area. The planners record parking durations of 225 randomly selected shoppers and find that the average parking time was 50 minutes with a standard deviation of 27 minutes. Is there evidence at the 0.05 significance level that the merchants' claim is wrong?
Transcribed Image Text:City planners are trying to decide among various parking plan options. Before making a decision, they wish to test the downtown merchants' claim that shoppers park for an average of 47 minutes in the downtown area. The planners record parking durations of 225 randomly selected shoppers and find that the average parking time was 50 minutes with a standard deviation of 27 minutes. Is there evidence at the 0.05 significance level that the merchants' claim is wrong?
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