Allie remembered that the 3 digits in her locker combination were 2, 4, and 8, but she forgot the order of the numbers what is the maximum number of combinations she must check in order to open her lock?

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