Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 5 - Section 5.5 - The Hypergeometric Probability Distribution - Exercises - Page 206: 5.46


N=20, n= 5, r=6, N=8, r=3, n =4 X denotes number of defective keyboard in box a. x=2 $P(X=0) = \frac{5C_0\times 15C_5}{20C_5}$ =0.1937 b. $P(X=1) = \frac{5C_1\times 15C_4}{20C_5}$ =0.4402

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