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 7 - Estimates and Sample Sizes - Review - Chapter Quick Quiz - Page 366: 1

Answer

p is between 40%-3.1%=36.9% and 40%+3.1%=43.1%.

Work Step by Step

The confidence interval's boundaries are the point estimate decreased and increased by the margin of error, hence p is between 40%-3.1%=36.9% and 40%+3.1%=43.1%.

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