Question

The age of community college students are normally distributed with a mean of 26 years and standard deviation of 3

years. (Show all work. Just the answer, without supporting work, will receive no credit. If a calculator or Excel was used, write out the function.)

a.) What is the probability that a randomly selected community college student is less than 22 years old? (Round the answer to 4 decimal places.)

b.) What is the probability that a randomly selected community college student is between 25 and 28 years old? (Round the answer to 4 decimal places.)

Justification for a and b: (please show work)