Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 9 - Section 9.5 - Assess Your Understanding - Applying the Concepts - Page 468: 9a

Answer

P(internet) = $\hat p = \frac{8}{20} = 0.4$

Work Step by Step

Divide the no. of persons who use the internet as their main source of news with the total.
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