Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 11 - Counting Methods and Probability Theory - 11.7 Events Involving And; Conditional Probability - Exercise Set 11.7: 28

Answer

0.078

Work Step by Step

If A, and B are independent events, then P(E) = P(A)*P(B) a.) What are the chances that two people who are cigarette smokers suffer from depression? A: depression B: depression P(A) = 0.28 P(B) =0.28 P(E) = P(A)*P(B) P(E) =0.28 x0.28 =0.078
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