In a taste test using 400 randomly selected people, 220 preferred a new brand of coffee to
Question:
In a taste test using 400 randomly selected people, 220 preferred a new brand of coffee to the leading brand. Test, at the 1 % significance level, the alternative hypothesis that at least 52 % prefer the new brand.
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Step by Step Answer:
To test the hypothesis at the 1 significance level we will use the onesample proportion ztest ...View the full answer
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Related Book For 
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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