Essentials of Statistics (5th Edition)

by Triola, Mario F.

Published by Pearson

ISBN 10: 0-32192-459-2

ISBN 13: 978-0-32192-459-9

Chapter 4 - Probability - 4-6 Counting - Page 183: 36

Answer

$144$

Work Step by Step

There are 9 digits, 8 possibilities for the first and 2 possibilities for the second number, so by using the fundamental counting rule we can get the number of possibilities: $8×2×9=144$.

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