Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 6 - Normal Probability Distributions - Review - Chapter Quick Quiz: 7

Answer

0.0158.

Work Step by Step

$z=\frac{value-mean}{standard \ deviation}=\frac{5.4-4.577}{0.382}=2.15.$ Using the table, the probability of z being more than 2.15 is equal to 1 minus the probability of z being less than 2.15, which is: 1-0.9842=0.0158.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.