Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 13 - Probability - Mid-Chapter Quiz: 17

Answer

128,478

Work Step by Step

Order does not matter, so we use the equation for combinations. We know that: $_nC_r =\frac{_nP_r}{r!} = \frac{n!}{(n-r)!r!}$ $_{24}C_6 = \frac{24!}{(24-6)!6!}$ We also know that: $x! = x(x-1)(x-2)...(1)$ Thus, we have: 128,478
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