The mean finish time for a yearly amateur auto race was 185.58 minutes with a standard deviation of 0.396 minute. The winning​ car, driven by Ted​, finished in 185.01 minutes. The previous​ year's race had a mean finishing time of 111.2 with a standard deviation of 0.128 minute. The winning car that​ year, driven by Kate​, finished in 110.88 minutes. Find their respective​ z-scores. Who had the more convincing​ victory? Ted had a finish time with a​ z-score of nothing. Kate had a finish time with a​ z-score of nothing. ​(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
185.58
minutes with a standard deviation of
0.396
minute. The winning​ car, driven by
Ted​,
finished in
185.01
minutes. The previous​ year's race had a mean finishing time of
111.2
with a standard deviation of
0.128
minute. The winning car that​ year, driven by
Kate​,
finished in
110.88
minutes. Find their respective​ z-scores. Who had the more convincing​ victory?
Ted
had a finish time with a​ z-score of
nothing.
Kate
had a finish time with a​ z-score of
nothing.
​(Round to two decimal places as​ needed.)
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