Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $10,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary's desired a. What is the planning value for the population standard deviation b. How large a sample should be taken if the desired margin of error is $4007 Round your answer to next whole number. $1702 $1102 Would you recommend trying to obtain the $110 margin of error? Explain No, the sample sire would probably be too time consuming and costly