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 Finding Probabilities of Disjoint and Overlapping Events - Guided Practice for Examples 1, 2, and 3 - Page 708: 2



Work Step by Step

We know from the equation on page 707 that: $$P(A\ or \ B) = P(A)+P(B)-P(A\ And\ B)$$ Thus, we find: $$=\frac{1}{13}+\frac{1}{4}-\frac{1}{52}=\frac{16}{52}$$
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