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The mean finish time for a yearly amateur auto race was 186.73 minutes with a standard deviation of 0.376 minute. The winning car, driven by Sam, finished in 186.25 minutes. The previous year's race had a mean finishing time of 112.4 with a standard deviation of 0.111 minute. The winning car that year, driven by Tammy, finished in 112.18 minutes. Find their respective z-scores. Who had the more convincing victory? Sam had a finish time with a z-score of Tammy 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 186.73 minutes with a standard deviation of 0.376 minute. The winning car, driven by Sam, finished in 186.25 minutes. The previous year's race had a mean finishing time of 112.4 with a standard deviation of 0.111 minute. The winning car that year, driven by Tammy, finished in 112.18 minutes. Find their respective z-scores. Who had the more convincing victory? Sam had a finish time with a z-score of Tammy 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 186.73 minutes with a standard deviation of 0.376 minute. The winning car, driven by Sam, finished in 186.25 minutes. The previous year's race had a mean finishing time of 112.4 with a standard deviation of 0.111 minute. The winning car that year, driven by Tammy, finished in 112.18 minutes. Find their respective z-scores. Who had the more convincing victory? Sam had a finish time with a z-score of Tammy 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 186.73 minutes with a standard deviation of 0.376 minute. The winning car, driven by Sam, finished in 186.25 minutes. The previous year's race had a mean finishing time of 112.4 with a standard deviation of 0.111 minute. The winning car that year, driven by Tammy, finished in 112.18 minutes. Find their respective z-scores. Who had the more convincing victory? Sam had a finish time with a z-score of Tammy had a finish time with a z-score of (Round to two decimal places as needed.)
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