Stats Modeling the World, 4th Edition

Published by Pearson
ISBN 10: 0133151549
ISBN 13: 978-0-13315-154-1

Chapter 14 - Probability Rules! - Exercises - Page 383: 2



Work Step by Step

Let A be the event that an American likes to cook, and let B be the event that an American likes to shop. The addition law of probability is: $P(A\cup B)=P(A)+P(B)-P(A\cap B).$ Hence here: $P(A\cup B)=0.45+0.59-0.23=0.81$
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