Answer
$P(x\leq4)=0.006$
Work Step by Step
The probability that $x\geq4$ is the complement of the probability that $x\lt4$
Using the Complement Rule (see page 275):
$P(x\leq4)=1-P(x\lt4)=1-0.994=0.006$
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 6.3 - Assess Your Understanding - Vocabulary and Skill Building - Page 351: 9c
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