College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 9, Counting and Probability - Section 9.1 - Counting - 9.1 Exercises - Page 657: 49

Answer

997002000

Work Step by Step

We know that this is a permutation problem because order matters. We need to permute 3 out of the 1000 students... Using our permutation formula, $$P(1000,3) = 1000*999*998 = 997002000$$
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