Use the confidence interval to find the estimated margin of error. Then find the sample mean. A store manager reports a confidence interval of (48.2,79.2) when estimating the mean price (in dollars) for the population of textbooks. The estimated margin of error is (Type an integer or a decimal.)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Use the confidence interval to find the estimated margin of error. Then find the sample mean.
A store manager reports a confidence interval of (48.2,79.2) when estimating the mean price (in dollars) for the population of textbooks.
The estimated margin of error is
(Type an integer or a decimal.)
Transcribed Image Text:Use the confidence interval to find the estimated margin of error. Then find the sample mean. A store manager reports a confidence interval of (48.2,79.2) when estimating the mean price (in dollars) for the population of textbooks. The estimated margin of error is (Type an integer or a decimal.)
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