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Mathematics 22 Online
OpenStudy (anonymous):

an automobile manufacturer would like to know what proportion of its customers are disatisfied with the service received from their local dealer. the customer relations department will survey a random sample of customers and compute a 95% confidence interval for the proportion that are dissatisfied. from past studies they believed that this proportion will be about .15. find the sample size needed if the margin or error of the confidence interval is to be no more than .o2

OpenStudy (hba):

@kdftlc Boring

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