Answer
a) $\mu=152$
$\rho=84$
b) $\mu=460.8$
$\rho=33.6$
Work Step by Step
a)
$\mu=1152-1000=152$
$\rho=84$
b)
$\mu=0.40\times1152=460.8$
$\rho=0.4\times84=33.6$
Stats Modeling the World, 4th Edition
by Bock, David E.; Velleman, Paul F.; De Veaux, Richard D.
Published by
Pearson
ISBN 10:
0133151549
ISBN 13:
978-0-13315-154-1
Chapter 5 - The Standard Deviation as a Ruler and the Normal Model - Exercises - Page 132: 19
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