Ireally need for my test. the price of a movie ticket rose from $5 to $8. a. what is the percent increase? b. id the price reverses from $8 to $5, whta is the percent decrease?

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