Suppose that you are testing the hypotheses H0: p = 0.20 vs. HA: p 6 0.20. A

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Suppose that you are testing the hypotheses H0:

p = 0.20 vs. HA: p 6 0.20. A sample of size 475 results in a sample proportion of 0.15.

a) Construct a 95% confidence interval for p.

b) Based on the confidence interval, at a = 0.05 can you reject H0? Explain.

c) What is the difference between the standard error and standard deviation of the sample proportion?

d) Which is used in computing the confidence interval?

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Business Statistics

ISBN: 9781292269313

4th Global Edition

Authors: Norean Sharpe, Richard De Veaux, Paul Velleman

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Question Posted: Sep 07, 2024 06:02 AM

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Suppose that you are testing the hypotheses H0: p = 0.20 vs. HA: p 6 0.20. A

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Business Statistics

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