Answer
0.1382
Work Step by Step
By using the binomial distribution: $P(X=4)={6\choose 4} \cdot (0.4)^{4}\cdot (0.6)^2=0.1382.$
Elementary Statistics (12th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0321836960
ISBN 13:
978-0-32183-696-0
Chapter 5 - Discrete Probability Distributions - Review - Review Exercises - Page 236: 2
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