Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 5 - Section 5.5 - Assess Your Understanding - Applying the Concepts - Page 307: 71a

Answer

$486,202,500$ passwords.

Work Step by Step

1st consonant: 21 choices. 1st vowel: 5 choices. 2nd consonant: 21 choices. 3rd consonant: 21 choices. 2nd vowel: 5 choices. 4th consonant: 21 choices. 1st number: 10 choices. 2nd number: 10 choices. Using the Multiplication Rule of Counting (see page 298): $21\times5\times21\times21\times5\times21\times10\times10=486,202,500$
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