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The mean finish time for a yearly amateur auto race was 186.63 minutes with a standard deviation of 0.379 minute. The winning car, driven by Perry, finished in 185.99 minutes. The previous year's race had a mean finishing time of 110.4 with a standard deviation of 0.128 minute. The winning car that year, driven by Sally, finished in 110.02 minutes. Find their respective z-scores. Who had the more convincing victory? Perry had a finish time with a z-score of Sally 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. Perry a more convincing victory because of a higher z-score. O B. Perry a more convincing victory because of a lower z-score. O C. Sally had a more convincing victory because of a higher Z-score. O D. Sally had a more convincing victory because of a lower z-score.

The mean finish time for a yearly amateur auto race was 186.63 minutes with a standard deviation of 0.379 minute. The winning car, driven by Perry, finished in 185.99 minutes. The previous year's race had a mean finishing time of 110.4 with a standard deviation of 0.128 minute. The winning car that year, driven by Sally, finished in 110.02 minutes. Find their respective z-scores. Who had the more convincing victory? Perry had a finish time with a z-score of Sally 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. Perry a more convincing victory because of a higher z-score. O B. Perry a more convincing victory because of a lower z-score. O C. Sally had a more convincing victory because of a higher Z-score. O D. Sally had a more convincing victory because of a lower z-score.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The mean finish time for a yearly amateur auto race was 186.63 minutes with a standard deviation of 0.379 minute. The winning car, driven by Perry, finished in 185.99 minutes. The previous year's race had a mean finishing time of 110.4 with a standard deviation of 0.128 minute. The winning car that year, driven by Sally, finished in 110.02 minutes. Find their respective z-scores. Who had the more convincing victory? Perry had a finish time with a z-score of Sally 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. Perry a more convincing victory because of a higher z-score. O B. Perry a more convincing victory because of a lower z-score. O C. Sally had a more convincing victory because of a higher z-score. O D. Sally 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 186.63 minutes with a standard deviation of 0.379 minute. The winning car, driven by Perry, finished in 185.99 minutes. The previous year's race had a mean finishing time of 110.4 with a standard deviation of 0.128 minute. The winning car that year, driven by Sally, finished in 110.02 minutes. Find their respective z-scores. Who had the more convincing victory? Perry had a finish time with a z-score of Sally 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. Perry a more convincing victory because of a higher z-score. O B. Perry a more convincing victory because of a lower z-score. O C. Sally had a more convincing victory because of a higher z-score. O D. Sally had a more convincing victory because of a lower z-score.
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