Elementary Statistics (12th Edition)

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

Chapter 5 - Discrete Probability Distributions - 5-5 Poisson Probability Distributions - Basic Skills and Concepts - Page 233: 11


a) mean=62.23 b)0.0155

Work Step by Step

a) Here, $mean=\frac{22713}{365}=62.23.$ b)$P(X=50)=\frac{62.23^{50}\cdot e^{-62.23}}{50!}=0.0155$
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