Applied Statistics and Probability for Engineers, 6th Edition

Published by Wiley
ISBN 10: 1118539710
ISBN 13: 978-1-11853-971-2

Chapter 2 - Section 2-1 - Sample Spaces and Events - Exercises - Page 26: 2-5


The sample space is 2^{24} =16, 777,216.

Work Step by Step

From the problem, the 24 websites are classified into two; containing banner ads (denoted by C) and Not-containing banner ads (denoted by N). The sample space of this random experiment is made up of 24 length ordered sequence of N and C. For instance an ordered sequence of 20 Ns and 4 Cs (NNNNNNNNNNNNNNNNNNNNCCCC) or 19 Ns and 5 Cs (NNNNNNNNNNNNNNNNNNNCCCCC) and so on. Therefore, the sample space has 224 =16, 777,216 outcomes. i.e.
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