Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 10 Counting Methods and Probability - 10.4 Find Probabilities of Disjoint and Overlapping Events - 10.4 Exercises - Quiz for Lessons 10.3-10.4 - Page 713: 8

Answer

.375

Work Step by Step

In the bag of 40 marbles, there are 8 black and 7 white marbles. Thus, the probability is: $$=\frac{8+7}{40}=.375$$
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