Annual starting salaries for college graduates with degrees in business administration are generally expected to be...

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Annual starting salaries for college graduates with degrees inbusiness administration are generally expected to be between$30,000 and $50,000. Assume that a 95% confidence interval estimateof the population mean annual starting salary is desired. How largea sample should be taken if the desired margin of error is:

a. $400? Remove all commas from your answerbefore submitting.

b. $230? Remove all commas from your answerbefore submitting.

c. $140? Remove all commas from your answerbefore submitting.

d. Would you recommend trying to obtain the$140 margin of error? Explain.

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