standard deviation of 0.116 minute. The winning car that year, driven by Tammy, finished in 110.49 minutes. Find their respective Z-scores. Who had the more convincing victory?
The mean finish time for a yearly amateur auto race was 185.24 minutes with a standard deviation of 0.397 minute. The winning car, driven by Ron, finished in 183.98 minutes. The previous year's race had a mean finishing time of 110.8 with a
Ron had a finish time with a 2-score of
Tammy had a finish time with a 2-score of
(Round to two decimal places as needed.)
Which driver had a more convincing victory?
O A. Ron had a more convincing victory because of a higher Z-score.
OB. Tammy a more convincing victory because of a lower Z-score.
OC. Tammy a more convincing victory because of a higher Z-score.
OD. Ron had a more convincing victory because of a lower Z-score.