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: 5.44

Answer

N=20, r=4, n =6 a. x=1 $P(1) = \frac{4C_1\times 16C_5}{20C_6}$ =0.4508 ` b.x=0 P(x=0) = $\frac{4C_0\times 16C_6}{20C_6}$ =0.2066 c.$P(x \leq 2) $= $\frac{4C_0\times 16C_6}{20C_6}+\frac{4C_1\times 16C_5}{20C_6}$ + $\frac{4C_2\times 16C_4}{20C_6}$=0.0263

Work Step by Step

see above.
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