A questionnaire was sent to 500 of a dry cleaners customers to solicit their opinions about service
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A questionnaire was sent to 500 of a dry cleaner’s customers to solicit their opinions about service received. Twenty-three customers were found to be unhappy with the service. On this evidence, can you reject the null hypothesis that more than 10 % of the customers are unhappy? Do a 5 % test.
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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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