In question 85, if the dean wants to narrow the 90 % confidence interval to 1 %,

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In question 85, if the dean wants to narrow the 90 % confidence interval to ±1 %, how many students should he ask?

Question 85

The dean of student activities wants to estimate the average spending on beer per week by a student. From a previous study, the standard deviation of spending was estimated to be $39. If the dean wants to control the 90 %

confidence interval within ±$5, how many students should he survey?

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Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

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Question Posted: Feb 17, 2024 11:37 PM

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In question 85, if the dean wants to narrow the 90 % confidence interval to 1 %,

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Statistics For Business And Financial Economics

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