The American Management Association wishes to have information on the mean income of store managers in the retail industry. A random sample of 49 managers reveals a sample mean of $45,420. The standard deviation of this population is $2,050. The association would like answers to the following questions: a) What is the population mean? b) c) What is a reasonable range of values for the population mean? How do we interpret these results? Construct a 95% confidence interval

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