College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.6 - Page 768: 18

Answer

$50_{{P}{_{3}}}$ = 117,600

Work Step by Step

This problem has the case of permutation thus we use the formula $n_{{P}{_{r}}}$ = $\frac{n!}{(n - r)!}$ because we have to choose 3 different prizes and distribute them in an order. We have to choose and distribute 3 prizes out of 50 then the ways prize be awarded = $50_{{P}{_{3}}}$ = $\frac{50!}{(50 - 3)!}$ = $\frac{50\times49\times48\times47!}{47! }$ = 117,600
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