A potential candidate in the third borough conducted a poll to decide whether he should challenge the
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A potential candidate in the third borough conducted a poll to decide whether he should challenge the incumbent. From a previous poll, he knows that the current incumbent has the support of 45% of the people. He wants to construct a 90 % confidence interval with a ±3 % error margin. How many voters should he survey?
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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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