Answer
$\approx0.124$
Work Step by Step
$P(k\leq2)=P(k=0)+P(k=1)+P(k=2)=_{10}C_{0}(0.43)^{0}(0.57)^{10-0}+_{10}C_{1}(0.43)^{1}(0.57)^{10-1}+_{10}C_{2}(0.43)^{2}(0.57)^{10-2}\approx0.124$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 10 Counting Methods and Probability - 10.6 Construct and Interpret Binomial Distributions - 10.6 Exercises - Problem Solving - Page 729: 45c
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