Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 6 - Section 6.1 - Assess Your Understanding - Applying the Concepts - Page 333: 37g

Answer

$P(two~individuals~who~have~two~credit~cards)=0.0744$

Work Step by Step

Using the General Multiplication Rule (page 289): $P(two~individuals~who~have~two~credit~cards)=P(individual_1~has~two~credit~cards~and~individual_2~has~two~credit~cards)=P(individual_1~has~two~credit~cards)\times P(individual_2~has~two~credit~cards~|~individual_1~has~two~credit~cards)=\frac{44}{160}\times\frac{43}{159}=0.0744$
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