How large a sample should be taken if the desired margin

Reference no: EM13241568

Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. What is the planning value for the population standard deviation (0 decimals)?

__________

How large a sample should be taken if the desired margin of error is as shown below (0 decimals)?

a. $500? __________

b. $200? __________

c. $100? __________

d. Would you recommend trying to obtain the $100 margin of error?

_________________

Reference no: EM13241568

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