To estimate the mean number of days that an employee was absent from work last year, Hamilton Manufacturing took a random sample of 600 of its employees. The mean of the sample was 16.3. It is known that the population standard deviation is σ=5.1. The 95% confidence interval was therefore approximately 16.3±  m. What is the width of the confidence interval

A First Course in Probability (10th Edition)
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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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To estimate the mean number of days that an employee was absent from work last year, Hamilton Manufacturing took a random sample of 600 of its employees. The mean of the sample was 16.3. It is known that the population standard deviation is σ=5.1. The 95% confidence interval was therefore approximately 16.3±  m. What is the width of the confidence interval?

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