The mean number of sick leave days that an employee of a company takes per year is believed to be about 10. The Manager of the company does not believe that this figure is correct. The number of sick days that eight randomly selected employees of the company took for the past year are as follows: 8, 6, 8, 11, 12, 4, 15, 3. Should the Manager believe that the mean number of sick days is 10?

The mean number of sick leave days that an employee of a company takes per year is believed to be about 10. The Manager of the company does not believe that this figure is correct. The number of sick days that eight randomly selected employees of the company took for the past year are as follows: 8, 6, 8, 11, 12, 4, 15, 3. Should the Manager believe that the mean number of sick days is 10?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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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