Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 5 - Section 5.4 - Assess Your Understanding - Applying the Concepts - Page 293: 18b

Answer

$P(female~|~no~tickets)=\frac{97}{168}\approx0.577$

Work Step by Step

N(no tickets) = 168 and N(no tickets and female) = 97. Using the Conditional Probability Rule (see page 288): $P(female~|~no~tickets)=\frac{N(no~tickets~and~female)}{N(no~tickets)}=\frac{97}{168}\approx0.577$
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