Answer
$0.023$
Work Step by Step
$P(flaw)=P(flaw|cotton)P(cotton)+P(flaw|nylon)P(nylon)=0.02\cdot0.7+0.03\cdot0.3=0.014+0.009=0.023$
Applied Statistics and Probability for Engineers, 6th Edition
by Montgomery, Douglas C.; Runger, George C.
Published by
Wiley
ISBN 10:
1118539710
ISBN 13:
978-1-11853-971-2
Chapter 2 - Section 2-5 - Multiplication and Total Probability Rules - Exercises - Page 48: 2-124
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