Answer
0.0040
Work Step by Step
To calculate $P(p̂ \geq 0.39)$, we need to find the z-score:
$z = \frac{p̂ - μ_{p̂}}{σ_{p̂}}$
$= \frac{.39-.35}{0.015}$ = 2.67
$P(z \geq 2.67) = 0.0040$, hence:
$P(p̂ \geq 0.39) = 0.0040$
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 8 - Section 8.2 - Assess Your Understanding - Vocabulary and Skill Building - Page 419: 13b
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