Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 4 - Probability - Review - Cumulative Review Exercises - Page 188: 2

Answer

$0.410.$

Work Step by Step

We know that the sum of the probalities is 1 and that $probability=\frac{number \ of \ good \ outcomes}{number\ of\ all\ outcomes}$. Therefore $P=\frac{392}{392+564}=0.410.$
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