A multinational company wants to find out how society perceives it. The company sends a questionnaire to

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A multinational company wants to find out how society perceives it. The company sends a questionnaire to 2,000 people and learns that 893 have favorable opinions and others either have an unfavorable opinion or no opinion.

(a) What percent of the people surveyed have favorable opinions of the company? Construct a 90 % confidence interval.

(b) What is the percentage of people who have favorable opinions of the company? Construct a 95 % confidence interval.

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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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