Landon called an electrician who charges $30 to travel to a customer's house and $75 per hour of labor completed. The electrician traveled to Landon's house and completed 4 hours of labor. What was the total amount of money the
electrician charged Landon?

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?