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Name: The National Academy of Science reported in a 1997 study that 43% of r
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Description: The National Academy of Science reported in a 1997 study that 43% of research in mathematics is published by US authors. The mathematics chairperson of a prestigious university wishes to test the claim that this percentage is more than 43%. He survey

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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The National Academy of Science reported in a 1997 study that 43% of research in mathematics is published by US authors. The mathematics chairperson of a prestigious university wishes to test the claim that this percentage is more than 43%. He surveys a simple random sample of 150 recent articles published by reputable mathematics research journals and finds that 70 of these articles have US authors. Does this evidence support the mathematics chairperson’s claim that the percentage is more than 40%? Use a 0.05 level of significance.

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