The mean finish time for a yearly amateur auto race was 185.56 minutes with a standard deviation of 0.327 minute. The winning car, driven by Ted, finished in 184.92 minutes. The previous year's race had a mean finishing time of 110.9 with a standard deviation of 0.146 minute. The winning car that year, driven by Jane, finished in 110.63 minutes. Find their respective z-scores. Who had the more convincing victory? Ted had a finish time with a z-score of Jane had a finish time with a z-score of (Round to two decimal places as needed.) Which driver had a more convincing victory? O A. Ted had a more convincing victory because of a higher z-score. O B. Jane a more convincing victory because of a lower z-score. O C. Jane a more convincing victory because of a higher z-score. O D. Ted had a more convincing victory because of a lower z-score.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The mean finish time for a yearly amateur auto race was 185.56 minutes with a standard deviation of 0.327 minute. The winning car, driven by Ted, finished in 184.92 minutes. The
previous year's race had a mean finishing time of 110.9 with a standard deviation of 0.146 minute. The winning car that year, driven by Jane, finished in 110.63 minutes. Find their
respective z-scores. Who had the more convincing victory?
Ted had a finish time with a z-score of
Jane had a finish time with a z-score of
(Round to two decimal places as needed.)
Which driver had a more convincing victory?
O A. Ted had a more convincing victory because of a higher z-score.
O B. Jane a more convincing victory because of a lower z-score.
O C. Jane a more convincing victory because of a higher z-score.
O D. Ted had a more convincing victory because of a lower z-score.
Transcribed Image Text:The mean finish time for a yearly amateur auto race was 185.56 minutes with a standard deviation of 0.327 minute. The winning car, driven by Ted, finished in 184.92 minutes. The previous year's race had a mean finishing time of 110.9 with a standard deviation of 0.146 minute. The winning car that year, driven by Jane, finished in 110.63 minutes. Find their respective z-scores. Who had the more convincing victory? Ted had a finish time with a z-score of Jane had a finish time with a z-score of (Round to two decimal places as needed.) Which driver had a more convincing victory? O A. Ted had a more convincing victory because of a higher z-score. O B. Jane a more convincing victory because of a lower z-score. O C. Jane a more convincing victory because of a higher z-score. O D. Ted had a more convincing victory because of a lower z-score.
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