Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 13 - Probability - Mid-Chapter Quiz - Page 843: 19



Work Step by Step

There are 4 digits and 3 letters. We multiply the number of options for any one of the three characters in the security code to find: (1/4)(1/4)(1/3) 1/48 Thus, there are 48 different codes.
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