Answer
$P(X\le6)=0.2$
Work Step by Step
It is the shaded area in the graph below:
$A=(6-5)0.2=0.2$
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 7 - Section 7.1 - Assess Your Understanding - Vocabulary and Skill Building - Page 367: 18d
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