Liz is hiking a trail that is 0.8 mile long. liz hikes the first two tenths of the distance by herself. she hikes the rest of the way with her friends. how far does liz hike by herself? ?

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