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%.
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
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