Answer
1) $np ̂(1-p ̂)\geq10$
2) $n\lt5$% of the population.
Work Step by Step
1) $np ̂(1-p ̂)=1001\times0.920(1-0.920)=73.6736\geq10$
2) 1001 adults is, for sure, less than 5% of the adult population of the U.S.
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 438: 45b
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