In introductory statistics courses at Large State University, the times it takes students to complete their final exams are normally distributed with a mean of = 82 minutes and a standard deviation of = 19 minutes. Use the figure below to answer the following questions.

The final exam is scheduled to allow 2 hours. Estimate the probability that a randomly selected student will need more than 2 hours to complete their exam.


In a section with 160 students, how many students do you expect will need more than 2 hours to complete their exams?