Several friends are going hiking Susie the navigator notices that the trail they have picked is approximately 3 1/4 inches long on the map the scale on the map shows that half inch on the map is equal to 2 miles in real life how long is the trail that the friends are hiking?

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