The mean finish time for a yearly amateur auto race was 185.21 minutes with a standard deviation of 0.324 minute. The winning​ car, driven by Chris​, finished in 184.85 minutes. The previous​ year's race had a mean finishing time of 110.2 with a standard deviation of 0.128 minute. The winning car that​ year, driven by Karla​, finished in 109.99 minutes. Find their respective​ z-scores. Who had the more convincing​ victory? Part 1 Chris had a finish time with a​ z-score of enter your response here. Karla had a finish time with a​ z-score of enter your response here. ​(Round to two decimal places as​ needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The mean finish time for a yearly amateur auto race was
185.21
minutes with a standard deviation of
0.324
minute. The winning​ car, driven by
Chris​,
finished in
184.85
minutes. The previous​ year's race had a mean finishing time of
110.2
with a standard deviation of
0.128
minute. The winning car that​ year, driven by
Karla​,
finished in
109.99
minutes. Find their respective​ z-scores. Who had the more convincing​ victory?
Part 1
Chris
had a finish time with a​ z-score of
enter your response here.
Karla
had a finish time with a​ z-score of
enter your response here.
​(Round to two decimal places as​ needed.)
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