The following two-way table describes student's after school activities. Find the probability that a randomly selected student is in music/drama. Grade Sports Music/Drama Work Sophomore 20 7, 3 Junior 20 13 2 Senior 25 5 5 P(Music/Drama) = [?] Round to the nearest hundredth.​

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