Elementary Statistics (12th Edition)

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

Chapter 6 - Normal Probability Distributions - 6-3 Applications of Normal Distributions - Basic Skills and Concepts: 20

Answer

131

Work Step by Step

By using the table, the z-score belonging to the area 0.98: z=2.05. $IQ=mean+z\cdot(standard \ deviation)=100+2.05 \cdot 15=100+30.75=130.75\approx131.$
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.