Essentials of Statistics (5th Edition)

by Triola, Mario F.

Published by Pearson

ISBN 10: 0-32192-459-2

ISBN 13: 978-0-32192-459-9

Chapter 1 - Introduction to Statistics - 1-2 Statistical and Critical Thinking - Page 15: 39

Answer

Impossible.

Work Step by Step

We have only 20 people who answered and a number smaller than 20 divided by 20 must end up being a multiple of 5, therefore the percentages have to be multiples of 5. Therefore 87% and 13% are impossible.

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