Answer
Mean:
$μ_X=1.8$
Standard deviation:
$σ_X=1.122$
Work Step by Step
Mean:
$μ_X=np=6×0.3=1.8$
Standard deviation:
$σ_X=\sqrt {np(1−p)}=\sqrt {6\times0.3(1-0.3)}=\sqrt {6\times0.3\times0.7}=1.122$
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 - Section 6.2 - Assess Your Understanding - Vocabulary and Skill Building - Page 344: 29c
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