Suppose at your university, some administrators believe that the proportion of students preferring to take classes at

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Suppose at your university, some administrators believe that the proportion of students preferring to take classes at night exceeds 0.30. The president is skeptical and so has an assistant take a simple random sample of 200 students. Of these, 66 indicate that they prefer night classes. What is the probability of finding a sample proportion equal to or greater than that found if the president’s skepticism is justified? Assume n ≤ 5 percent of N.
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Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

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