The mean finish time for a yearly amateur auto race was 185.13 minutes with a standard deviation of 0.353 minute. The winning car, driven by Perry, finished in 184.77 minutes.

The previous year’s race had a mean finishing time of 111.1 with a standard deviation of 0.106 minute. The winning car that year, driven by Karla, finished in 110.88 minutes. Find their respective z-scores. Who had the more convincing victory?