College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 9, Counting and Probability - Section 9.4 - Expected Value - 9.4 Exercises - Page 680: 7

Answer

$\$0.92$

Work Step by Step

The probability to get a $6$: $\frac{1}{6}$ The probability to get any other number except $6$: $1-\frac{1}{6}=\frac{5}{6}$ The expected outcome is: $3\times\frac{1}{6} + 0.5\times \frac{5}{6} =\frac{5.5}{6}\approx 0.92$
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