Bob decides to go get ice cream. he sees that 1 scoop costs $3.60. then he sees a discount on christmas that says that all day 1 scoop costs $1.50. what is the percent of the discount? how would you figure this out? explain thoroughly.

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