pls help with hw question

The mean finish time for a yearly amateur auto race was 185.91 minutes with a standard deviation of 0.348 minute. The winning car, driven by Frank, finished in 185.53 minutes. The previous year's race had a mean finishing time of 110.2 with a standard deviation of 0.135 minute. The winning car that year, driven by Amber. finished in 109.93 minutes. Find their respective z-scores. Who had the more convincing victory? ..... Frank had a finish time with a z-score of Amber had a finish time with a z-score of 4 (Round to two decimal places as needed.) Which driver had a more convincing victory? O A. Frank a more convincing victory because of a lower z-score. O B. Frank a more convincing victory because of a higher z-score. O C. Amber had a more convincing victory because of a lower z-score. O D. Amber had a more convincing victory because of a higher z-score