A sample of the salaries of assistant professors on the business faculty at a local university revealed

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A sample of the salaries of assistant professors on the business faculty at a local university revealed a mean income of $100,000 with a standard deviation of $10,000. Assume that salaries follow a bell-shaped distribution. Use the empirical rule to answer the following questions. 

a. Approximately what percentage of the salaries fall between $90,000 and $110,000? 

b. Approximately what percentage of the salaries fall between $80,000 and $120,000? 

c. Approximately what percentage of the salaries are greater than $120,000?

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Business Analytics Communicating With Numbers

ISBN: 9781260785005

1st Edition

Authors: Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen

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