The manager of a chain of discount department stores wishes to estimate the total number of erroneous

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The manager of a chain of discount department stores wishes to estimate the total number of erroneous discounts allowed by sales clerks during the last month. A random sample of 200 of the chain's 57.532 transactions for the last month reveals that erroneous discounts were allowed on eight of the transactions. Use this sample information to find a point estimate of and a 95 percent confidence interval for the total number of erroneous discounts allowed during the last month.
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Business Statistics In Practice

ISBN: 9780073401836

6th Edition

Authors: Bruce Bowerman, Richard O'Connell

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