Answer
The sample size is not less than 5% of the population size.
Work Step by Step
$\frac{sample~size}{population~size}=\frac{20}{100}=0.2\gt0.05$
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 8 - Section 8.2 - Assess Your Understanding - Applying the Concepts - Page 420: 25
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