Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 5 - Discrete Probability Distributions - Review Exercises - Section 5-3 - Page 305: 21

Answer

0.19

Work Step by Step

Given $p=3/4=0.75, n=20$, use binomial formula, P(16)=$_{20}C_{16}0.75^{16}(1-0.75)^4=0.19$
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