solve and show work

Section 6.2: Using the Normal Distribution 4. Recall the information from problem 1: On a certain exam, scores are normally distributed with u = 80 and o - 8. a. What percent of students scored between 75 and 85? b. What percent of students scored below 75? c. What percent of students scored above 70? d. What score on the exam represents the bottom 5% of student scores? e. What score on the exam represents the top 5% of student scores? f. What score on the exam represents the 90" percentile of student scores