(8) Evaluate the following without using a calculator: 2Sin30° - 3Cos60° + 3tan45° (a) 3/2 (b) 1 (c) 5/2 (d) 4

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?