Help with the question!

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

How do you find the distance of each number from the mean

Describe a situation where it would be beneficial to round decimals to the nearest dollar. explain why you would use rounding in that situation.