Save Submit Assignment for Gradi Exercise 08.27 Algo (Determining the Sample Size) Question 6 of 1 Hint(s) Check My Work Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $20,000 and $35,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. a. What is the planning value for the population standard deviation? 0 = b. How large a sample should be taken if the desired margin of error is $400? Round your answers to next whole number. 338 $270? $100? C. Would you recommend trying to obtain the $100 margin of error? Explain. No, the sample size would probably be too time consuming and costly. v Hint(s) Check My Work O- Icon Key