Thinking Mathematically (6th Edition)

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

Chapter 11 - Counting Methods and Probability Theory - 11.6 Events Involving Not and Or; Odds - Exercise Set 11.6 - Page 734: 11


a. 0.1 b. 0.9

Work Step by Step

a. On the graph, find the blue vertical bar corresponding to men, 25-34 (second from the left). Its height (read from the y-axis) is 0.1. If E is the given event, (a randomly selected man between the ages of 25 and 34 has cardiovascular disease), then P(E)=0.1 b. Apply Complement Rules of Probability, $P($not $E)=1-P(E) =1-0.1=0.9$
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