Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 1 - Introduction to Statistics - Case Study - Exercises - Page 16: 2

Answer

$0.0175\%$

Work Step by Step

We know that $1\%$ of the population is $1142000$ people, thus the whole population is: $100\cdot1,142,000=114,200,000$. Then the percentage is the sample size divided by the population which is: $\frac{20000}{114,200,000}=0.0175\%$
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