Answer
Mean:
$μ_X=1$
Standard deviation:
$σ_X=0.894$
Work Step by Step
Mean:
$μ_X=np=5\times0.2=1$
Standard deviation:
$σ_X=\sqrt {np(1-p)}=\sqrt {5\times0.2\times(1-0.2)}=\sqrt {5\times0.2\times0.8}=0.894$
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 - Test - Page 357: 9b
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.
