Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 6 - Section 6.4 - Permutations and Combinations - Exercises - Page 438: 62b

Answer

$56$

Work Step by Step

We simply choose a set of 5 (Because the sixth one is MRK) out of 8 (Because it does not contain PFE and MRK is already in the portfolio, 10-2=8). We can do that in $C(8,5)=56$ different ways. Therefore there are 56 different portfolios.
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