Statistics: Informed Decisions Using Data (4th Edition)

by Sullivan III, Michael

Published by Pearson

ISBN 10: 0321757270

ISBN 13: 978-0-32175-727-2

Chapter 5 - Section 5.6 - Assess Your Understanding - Vocabulary and Skill Building - Page 311: 5

Answer

$\dfrac{2}{5}$ or $0.4$

Work Step by Step

The sample space has 10 elements. Event E has 4 elements. Thus, the probability of event E is: $P(E) = \dfrac{4}{10} = \dfrac{2}{5}=0.4$

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