Natalie has a box containing 26 tiles, each with a different letter of the alphabet. she randomly chooses 5 letters. which expression represents the probability that she will choose five vowels (not counting y as a vowel)?

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?