This table shows how the amount Mary earns from yard work depends on the number of hours she works. Time spent (hours), \mathrm{x}x ​ ​ 33 ​ 44 ​Amount earned, \mathrm{y}y ​ \$ 24$24 ​ \$ 32$32 ​How much money does Mary earn per hour? ​ \$$ per hour

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?