Suppose we test H0: p = .3 versus Ha: .3 and that a random sample of
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Suppose we test H0: p = .3 versus Ha: ≠ .3 and that a random sample of n = 100 gives a sample proportion p-bar = .20.
a. Test H0 versus Ha at the .01 level of significance by using critical values. What do you conclude?
b. Find the p-value for this test.
c. Use the p-value to test H0 versus Ha by setting a equal to .10, .05, .01, and .001. What do you conclude at each value of α?
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Related Book For
Essentials Of Business Statistics
ISBN: 9780078020537
5th Edition
Authors: Bruce Bowerman, Richard Connell, Emily Murphree, Burdeane Or
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