Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 12 - Data Analysis and Probability - 12-8 Probability of Compound Events - Practice and Problem-Solving Exercises: 8

Answer

$\frac{1}{5}$

Work Step by Step

Looking at the spinner, there is one 4 and one 7, out of ten possible sections. Therefore P(4 or 7) = $\frac{1+1}{10} = \frac{2}{10}=\frac{1}{5}$
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