Answer
$144$
Work Step by Step
According to the Multiplication Rule the number of possibilities is: $3\cdot4\cdot3\cdot4=144$
Applied Statistics and Probability for Engineers, 6th Edition
by Montgomery, Douglas C.; Runger, George C.
Published by
Wiley
ISBN 10:
1118539710
ISBN 13:
978-1-11853-971-2
Chapter 2 - Section 2-1 - Sample Spaces and Events - Exercises - Page 28: 2-37
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