The ages of students in a school are normally distributed with a mean of 15 years and a standard deviation of 2 years. approximately what percent of the students are between 14 and 18 years old?
a. 24.17%
b. 62.47%
c. 30.85%
d. 93.32%

Aline passes through 3,7 and 6,9 what equation represents the line

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

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?