The mean finish time for a yearly amateur auto race was 185.85 minutes with a standard deviation of 0.354 minute. The winningcar, driven by Dan, finished in 184.95 minutes. The previousyear's race had a mean finishing time of 110.1 with a standard deviation of 0.148 minute. The winning car thatyear, driven by Beth, finished in 109.81 minutes. Find their respectivez-scores. Who had the more convincingvictory?