Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 4 - Probability and Counting Rules - 4-1 Sample Spaces and Probability - Exercises 4-1 - Page 200: 33


$0.00027$ and $0.9996$

Work Step by Step

California (7209) or Texas (6181) numbers add up to 13390, the probability is $p=13390/49904000=0.00027$ Not from one of these four listed states: total number of these four states 20130, the probability for these four states is $20130/49904000=0.0004$, so the probability of not from these four states is $1-0.0004=0.9996$
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