I'm super stuck on this question for statistics. I need to know the 99% confidence interval for Restaurants X and Y with the corresponding data shown.

Refer to the accompanying data set of mean drive-through service times at dinner in seconds at two fast food restaurants. Construct a 99% condence interval estimate of the mean drive-through service time for Restaurant X at dinner; then do the same for Restaurant Y. Compare the results. a Click the icon to view the data on drive-through service times. Construct a 99% condence interval of the mean drive-through service times at dinner for Restaurant X. sec