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The mean finish time for a yearly amateur auto race was 186.77 minutes with a standard deviation of 0.334 minute. The winning car, driven by Ron, finished in 185 74 minutes, The previous year's race had a mean finishing time of 110.5 with a standard deviation of 0.128 minute. The winning car that year, driven by Susan, finished in 110.21 minutes. Find their respective z-scores. Who had the more convincing victory? ..... Ron had a finish time with a z-score of Susan 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. Ron had a more convincing victory because of a higher z-score. OB. Ron had a more convincing victory because of a lower z-score. O C. Susan a more convincing victory because of a lower z-score. O D. Susan a more convincing victory because of a higher z-score.

The mean finish time for a yearly amateur auto race was 186.77 minutes with a standard deviation of 0.334 minute. The winning car, driven by Ron, finished in 185 74 minutes, The previous year's race had a mean finishing time of 110.5 with a standard deviation of 0.128 minute. The winning car that year, driven by Susan, finished in 110.21 minutes. Find their respective z-scores. Who had the more convincing victory? ..... Ron had a finish time with a z-score of Susan 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. Ron had a more convincing victory because of a higher z-score. OB. Ron had a more convincing victory because of a lower z-score. O C. Susan a more convincing victory because of a lower z-score. O D. Susan a 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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T R The mean finish time for a yearly amateur auto race was 186.77 minutes with a standard deviation of 0.334 minute. The winning car, driven by Ron, finished in 185 74 minutes The previous year's race had a mean finishing time of 110.5 with a standard deviation of 0.128 minute. The winning car that year, driven by Susan, finished in 110.21 minutes. Find their respective z-scores. Who had the more convincing victory? ..... Ron had a finish time with a z-score of Susan 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. Ron had a more convincing victory because of a higher z-score. O B. Ron had a more convincing victory because of a lower z-score. O C. Susan a more convincing victory because of a lower Z-score. O D. Susan a more convincing victory because of a higher z-score. O Time Remaining: 03:54:42 Next Upper limit = 0.2386 + 2.58* SQRT(0.2386*0.7614 /700) = 0.28 Confidence Interval is (0.197, 0.28 ) DEC 15 étv MacBook Air DD F7 F2 F3 F5 F6 & 23 $ 8 9 H. C. B. W N
Transcribed Image Text:T R The mean finish time for a yearly amateur auto race was 186.77 minutes with a standard deviation of 0.334 minute. The winning car, driven by Ron, finished in 185 74 minutes The previous year's race had a mean finishing time of 110.5 with a standard deviation of 0.128 minute. The winning car that year, driven by Susan, finished in 110.21 minutes. Find their respective z-scores. Who had the more convincing victory? ..... Ron had a finish time with a z-score of Susan 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. Ron had a more convincing victory because of a higher z-score. O B. Ron had a more convincing victory because of a lower z-score. O C. Susan a more convincing victory because of a lower Z-score. O D. Susan a more convincing victory because of a higher z-score. O Time Remaining: 03:54:42 Next Upper limit = 0.2386 + 2.58* SQRT(0.2386*0.7614 /700) = 0.28 Confidence Interval is (0.197, 0.28 ) DEC 15 étv MacBook Air DD F7 F2 F3 F5 F6 & 23 $ 8 9 H. C. B. W N
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