Answer
The margin of error for the estimate of $\mu$ , denoted by E, is the quantity that is subtracted from and added to the value of $\bar{x}\ $ to obtain a confidence interval for $\mu$ . Thus , $E = zσ_{\bar{x}\ }$
Work Step by Step
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Introductory Statistics 9th Edition
by Mann, Prem S.
Published by
Wiley
ISBN 10:
1-11905-571-7
ISBN 13:
978-1-11905-571-6
Chapter 8 - Section 8.2 - Estimation of a Population Mean: σ Known - Exercises - Page 322: 8.8
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