Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 4 - Probability - Review - Chapter Quick Quiz - Page 186: 4

Answer

$0.04$

Work Step by Step

For each person the probability of smoking is independent, therefore by using the multiplication rule:$0.2\times0.2=0.04$
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