The mean finish time for a yearly amateur auto race was 185

Last updated: 2/7/2023

The mean finish time for a yearly amateur auto race was 185 49 minutes with a standard deviation of 0 323 minute The winning car driven by Sam finished in 185 16 minutes The previous year s race had a mean finishing time of 111 5 with a standard deviation of 0 109 minute The winning car that year driven by Beth finished in 111 34 minutes Find their respective z scores Who had the more convincing victory Sam had a finish time with a z score of Beth had a finish time with a z score of Round to two decimal places as needed