The mean finish time for a yearly amateur auto race was186.16 minutes with a standard deviation of 0.301 minute. The winningcar, driven by Ron, finished in 185.33 minutes. The previousyear's race had a mean finishing time of 110.7 with a standard deviation of 0.145 minute. The winning car thatyear, driven by Terry, finished in 110.27 minutes. Find their respectivez-scores. Who had the more convincing victory?