Answer
27 in 220
Work Step by Step
27 collections included exactly two tech stocks that increased in value by the end of the day, out of 220. The chances are 27 in 220 $(\approx0.123)$
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 6 - Section 6.4 - Permutations and Combinations - Exercises - Page 439: 64c
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