You are asked by the owner of the Starshine Motel to develop a customer satisfaction surveyto determine the percentage of customers who are dissatisfied with service. In the past year, 20,000 customers were serviced. She desires a 95% level of confidence with an allowable statistical error of +/- 0.02. From past estimates, the manager believes that about 4% of customers have expressed dissatisfaction. What sample size should you use for this survey?
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You are asked by the owner of the Star shine Motel to develop a customer satisfaction survey to determine the percentage of customers who are dissatisfied with service. In the past year, …
The solution provides step by step method for the calculation of sample size. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.