An egg carton holds 12 eggs. a breakfast buffet uses 96 eggs by 8am when the buffet ends at 10: 30am a total of 156 eggs were used. how many cartons of eggs were used after 8am

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