Answer
131.87
Work Step by Step
L = x = u + z$\frac{o}{\sqrt n}$ = 122 + 1.645$\frac{12}{\sqrt 4}$ = 131.87
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 15 - Sampling Distributions - Chapter 15 Exercises - Page 369: 15.31
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
