Annual starting salaries for college graduates with degrees in business administration are generally expected to be between 30,000 and 40,000 . Assume that a confidence interval estimate of the population mean annual starting salary is 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 is500 ? Round your answers to next whole number. 190? -- 140? -- c. Would you recommend trying to obtain the margin of error? Explain.
Annual starting salaries for college graduates with degrees in business administration are generally expected to be between 30,000 and 40,000 . Assume that a confidence interval estimate of the population mean annual starting salary is 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 is500 ? Round your answers to next whole number. 190? -- 140? -- c. Would you recommend trying to obtain the margin of error? Explain.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Annual starting salaries for college graduates with degrees in business administration are generally expected to be between 30,000 and 40,000 . Assume that a confidence
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 is500 ? Round your answers to next whole number.
190? --
140? --
c. Would you recommend trying to obtain the margin of error? Explain.
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