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The mean finish time for a yearly amateur auto race was 185.89 minutes with a standard deviation of 0.304 minute. The winning car, driven by Dan, finished in 185.01 minutes. The previous year's race had a mean finishing time of 112.3 with a standard deviation of 0.145 minute. The winning car that year, driven by Sally, finished in 112.12 minutes. Find their respective z-scores. Who had the more convincing victory? Dan 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. Sally a more convincing victory because of a lower z-score. O B. Dan had a more convincing victory because of a lower z-score. OC. Sally a more convincing victory because of a higher z-score. O D. Dan had more convincing victory because of a higher z-score.

The mean finish time for a yearly amateur auto race was 185.89 minutes with a standard deviation of 0.304 minute. The winning car, driven by Dan, finished in 185.01 minutes. The previous year's race had a mean finishing time of 112.3 with a standard deviation of 0.145 minute. The winning car that year, driven by Sally, finished in 112.12 minutes. Find their respective z-scores. Who had the more convincing victory? Dan 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. Sally a more convincing victory because of a lower z-score. O B. Dan had a more convincing victory because of a lower z-score. OC. Sally a more convincing victory because of a higher z-score. O D. Dan had more convincing victory because of a higher z-score.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The mean finish time for a yearly amateur auto race was 185.89 minutes with a standard deviation of 0.304 minute. The winning car, driven by Dan, finished in 185.01 minutes. The previous year's race had a mean finishing time of 112.3 with a standard deviation of 0.145 minute. The winning car that year, driven by Sally, finished in 112.12 minutes. Find their respective z-scores. Who had the more convincing victory? ..-.. Dan 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. Sally a more convincing victory because of a lower z-score. O B. Dan had a more convincing victory because of a lower z-score. OC. Sally a more convincing victory because of a higher z-score. O D. Dan had a more convincing victory because of a higher z-score.
Transcribed Image Text:The mean finish time for a yearly amateur auto race was 185.89 minutes with a standard deviation of 0.304 minute. The winning car, driven by Dan, finished in 185.01 minutes. The previous year's race had a mean finishing time of 112.3 with a standard deviation of 0.145 minute. The winning car that year, driven by Sally, finished in 112.12 minutes. Find their respective z-scores. Who had the more convincing victory? ..-.. Dan 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. Sally a more convincing victory because of a lower z-score. O B. Dan had a more convincing victory because of a lower z-score. OC. Sally a more convincing victory because of a higher z-score. O D. Dan had a more convincing victory because of a higher z-score.
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