A bus route takes about 45 minutes. One driver's times for 9 runs of the route are shown. Times to Complete Bus Router (min)
44.2 45.0 45.2 44.7 45.0 44.9 45.4 44.5 44.9
Calculate the mean of the bus times.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?