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The Mean finish time for a yearly amateur auto race was 187.54 minutes with a standard...

The Mean finish time for a yearly amateur auto race was 187.54 minutes with a standard devation of 0.383 minutes. The winning car, driven by Ted, finished in 186.61 mins. The previous year's race had a mean fishing time of 110.7 with a standard devation of .137 mins. The winning car that year, driven by Nina, finished in 110.34 mins. Find their respective z-scores. Who had the more convincing story?

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