Discrete Mathematics and Its Applications, Seventh Edition

Published by McGraw-Hill Education
ISBN 10: 0073383090
ISBN 13: 978-0-07338-309-5

Chapter 7 - Section 7.1 - An Introduction to Discrete Probability - Exercises - Page 451: 3

Answer

.5

Work Step by Step

There are 50 odd integers (1, 3, 5, $\cdots$, 99) within {1, 2, 3, $\cdots$, 100}, so the probability is 50/100 = 1/2 = .5
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