The mean finish time for a yearly amateur auto race was 185.13 minutes with a standard deviation
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The mean finish time for a yearly amateur auto race was 185.13 minutes with a standard deviation of 0.353 minute. The winning car, driven by Perry, finished in 184.77 minutes.
The previous year’s race had a mean finishing time of 111.1 with a standard deviation of 0.106 minute. The winning car that year, driven by Karla, finished in 110.88 minutes. Find their respective z-scores. Who had the more convincing victory?
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Related Book For
Statistics Informed Decisions Using Data
ISBN: 9781292157115
5th Global Edition
Authors: Michael Sullivan
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