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The mean finish time for a yearly amateur auto race was 186.84 minutes with a standard deviation of 0.327 minute. The winning car, driven by Dan, finished in 186.48 minutes. The previous year's race had a mean finishing time of 112.4 with a standard deviation of 0.125 minute. The winning car that year, driven by Beth, finished in 112.14 minutes. Find their respective z-scores. Who had the more convincing victory? Dan had a finish time with a z-score of Beth had a finish time with a z-score of (Round to two decimal places as needed.)

The mean finish time for a yearly amateur auto race was 186.84 minutes with a standard deviation of 0.327 minute. The winning car, driven by Dan, finished in 186.48 minutes. The previous year's race had a mean finishing time of 112.4 with a standard deviation of 0.125 minute. The winning car that year, driven by Beth, finished in 112.14 minutes. Find their respective z-scores. Who had the more convincing victory? Dan had a finish time with a z-score of Beth had a finish time with a z-score of (Round to two decimal places as needed.)

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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The mean finish time for a yearly amateur auto race was 186.84 minutes with a standard deviation of 0.327 minute. The winning car, driven by Dan, finished in 186.48 minutes. The previous year's race had a mean finishing time of 112.4 with a standard deviation of 0.125 minute. The winning car that year, driven by Beth, finished in 112.14 minutes. Find their respective z-scores. Who had the more convincing victory? Dan had a finish time with a z-score of Beth had a finish time with a z-score of (Round to two decimal places as needed.)
Transcribed Image Text:The mean finish time for a yearly amateur auto race was 186.84 minutes with a standard deviation of 0.327 minute. The winning car, driven by Dan, finished in 186.48 minutes. The previous year's race had a mean finishing time of 112.4 with a standard deviation of 0.125 minute. The winning car that year, driven by Beth, finished in 112.14 minutes. Find their respective z-scores. Who had the more convincing victory? Dan had a finish time with a z-score of Beth had a finish time with a z-score of (Round to two decimal places as needed.)
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