(*) It is thought that 12% of all students taking a particular course received a grade of...

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(*) It is thought that 12% of all students taking a particular course received a grade of A. In a sample of 155 students, it is found that 21 made an A. What is the test statistic for testing the true proportion is 12%?

a. 0.53

b. 0.01

c. 0.577

Related Book For answer-question

Statistics For Engineers And Scientists

ISBN: 9780073376332

3rd Edition

Authors: William Navidi

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Posted Date: Dec 06, 2022 02:41 AM

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(*) It is thought that 12% of all students taking a particular course received a grade of...

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Statistics For Engineers And Scientists

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