Answer
N=8, r=3, n =4
a. x=2
$P(2) = \frac{3C_2\times 5C_2}{8C_4}$ =0.4286
b.
$P(x=0) = \frac{3C_0\times 5C_4}{8C_4}$ =0.0717
c.
$P(x\leq1) = \frac{3C_0\times 5C_4}{8C_4}+\frac{3C_1\times 5C_3}{8C_4}$ =0.5
Work Step by Step
no
Introductory Statistics 9th Edition
by Mann, Prem S.
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: 5.42
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