Week 9 * Question Completion Status: Week 10 Week 11 Which of the following are characteristics of the normal distribution O A. It is bell-shaped Week 12 O B. It extends indefinitely in each direction Week 13 O C. It is a symmetric distribution O D. All of the above Week 14 Week 15 Week 16 QUESTION 2 4 points Saved Which of the following are correct statements about a normal distribution? Announcements O A. It is defined by its mean and standard deviation Student ulearn Help O B. All of the above O C. It cannot assume negative numbers Discussions O D. All normal distributions have a variance of 1 Mail Pearson's MyLab Links QUESTION 3 4 points Save Answer Pearson eText & All For a normal distribution, what is the relationship between the mean, the median, and the mode? Homework assignmts O A. it varies Student Help O B. Mean Median > Mode O D. Mean = Median = Mode Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit* Question Completion Status: QUESTION 4 4 points Save Answer For the standard normal curve, what percentage of data is located between u-20 and u+20? O A. 81% O B. 99.7% O C. 95% O D. 68% QUESTION 5 4 points Save Answer Under the standard normal curve, the area above the mean is O A. 50% O B. 100% O C. 50 O D. 100 QUESTION 6 4 points Save Answer Under the standard normal curve, find the area of the region to the left of z = 1.50 O A. .5199 O B. .0668 O C. .9332 O D. .7612 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit