Suppose that you are testing the hypotheses H0: p = 0.20 vs. HA: p 0.20. A
Question:
Suppose that you are testing the hypotheses H0: p = 0.20 vs. HA: p ≠ 0.20. A sample of size 250 results in a sample proportion of 0.25.
a) Construct a 95% confidence interval for p.
b) Based on the confidence interval, at α = .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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a Use p 196SE p 025 19600274 0196 0304 b No because 020 is a ...View the full answer
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Related Book For
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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