Answer
0.0049
Work Step by Step
By the given formula: $P=\frac{12!}{5!\cdot 4! \cdot 3!}\cdot(\frac{18}{38})^5 \cdot(\frac{18}{38})^4 \cdot(\frac{2}{38})^3=0.0049.$
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 - 5-3 Binomial Probability Distributions - Beyond the Basics - Page 222: 46
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