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Name: To defend a governmental institution against corruption, its chief off
Uploaded: 2024-03-20T07:07:12.000Z
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Description: To defend a governmental institution against corruption, its chief officer claims that less than 0.5% of the its 5000 employees accept bribes. An independent human rights team interviewed 200 people from the company and found only 3 people to have ac

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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To defend a governmental institution against corruption, its chief officer claims that less than 0.5% of the its 5000 employees accept bribes. An independent human rights team interviewed 200 people from the company and found only 3 people to have accepted bribes.
a) Test the claim of the institution chief officer. Use significance level of 5% and then 1%.
b) Find the P-Value for the test.
c) Assuming that the true mean for the corrupted employees is 10% larger than that obtained by the independent team, and using their own results, determine the number of the employees to be interviewed to detect the true mean, use an allowed error in the test of 5%.

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