For the final part of a race, a runner runs 32 feet each second across a distance of 400 feet. The expression represents the x time it take for the runner to travel the last 400 feet of the race is.

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