Answer
Here we have p = 18%, E = 4.5%, Confidence Level = 95%.
Hence, this statement implies that we are 95% confident that percentage of adult Americans who dread Valentine's day is between 13.5% and 22.5%.
Work Step by Step
Given above.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 9 - Section 9.1 - Assess Your Understanding - Applying the Concepts - Page 436: 23
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