Answer
$μ_{x}=1.5$
$x_{x}=1.225$
Work Step by Step
$μ_{x}=λt=0.05\times30=1.5$
$σ_{x}=\sqrt {λt}=\sqrt {0.05\times30}=\sqrt {1.5}=1.225$
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 6 - Review - Review Exercises - Page 356: 12e
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