Answer
$0.061$
Work Step by Step
Use multinomial formula with
$p1=0.45,p2=0.35,p3=0.2,n=12,x1=5,x2=4,x3=3$
$P=\frac{12!}{5!4!3!}0.45^50.35^40.2^3=0.061$
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 5 - Discrete Probability Distributions - Chapter Quiz - Page 307: 27
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