What information would you need to know to decide how many customers should be included in the sample?
If you wanted to infer the population meanlevel of satisfaction within plus or minus 0.5 points at a .05 level of significance, how many customers should be included in the sample? Explain how you calculated your answer.
See attached file for full problem description.
Word document showing the calculations to find the number of customers that should be included in a study to infer the population mean level of satisfaction with a product.