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 - Page 768: 16



Work Step by Step

You have the probabilities:$\frac{4}{10}$ and $\frac{5}{10}$.Add the probabilities to find the probability of either of the events occurring. Then, subtract $\frac{x}{y}$ because that is the probability that both events will occur $\frac{4}{10}$ +$\frac{5}{10}$ - $\frac{3}{10}$ $\frac{6}{10}$ -simplify- =$\frac{3}{5}$
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