Finite Math and Applied Calculus (6th Edition)

by Waner, Stefan; Costenoble, Steven

Published by Brooks Cole

ISBN 10: 1133607705

ISBN 13: 978-1-13360-770-0

Chapter 7 - Section 7.1 - Sample Spaces and Events - Exercises - Page 459: 73a

Answer

$210$

Work Step by Step

First, choose the first place winner: 7 choices Next, choose the second place winner: 6 choices Next, choose the third place winner: 5 choices. This gives a total of $7*6*5=210$ possible finishes. $n(S)=210$

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