Answer
0.9881
Work Step by Step
$P(at \ least \ one )=1-P(none )=1-(1-0.67)^{4}=1-0.33^4=0.9881$
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 4 - Probability - 4-5 Multiplication Rule: Complements and Conditional Probability - Page 173: 17
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