During the summer, patrick paints houses and michelle works as a lifeguard. to show their earnings, patrick makes a graph and michelle makes a table. who earns more money per hour, and by how much more?

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score