Solve for the value of e.
pls help

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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?

I’m really confused and need your assist me with this question i’ve never been taught