Answer
$P(10\leq X\leq18)=0.4$
Work Step by Step
It is the area of the shaded region:
$A=(18-10)0.05=0.4$
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 - Review - Review Exercises - Page 395: 18c
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