Asuccessful basketball player has a height of 6 feet 9 inches, or 206 cm. based on statistics from a data set, his height converts to the z score of 4.45. how many standard deviations is his height above the mean

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