Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 5 - Discrete Probability Distributions - 5-3 Binomial Probability Distributions - Basic Skills and Concepts: 21

Answer

0.2568

Work Step by Step

Using the Binomial Probability formula the probability is: $P(X=3)={8\choose 3} \cdot (0.45)^3\cdot (0.55)^5=0.2568.$
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