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A sample of assistant professors

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A sample of assistant professors on the business faculty at state supported institutions in Ohio revealed the mean income to be $72,000 for 9 months with a standard deviation of $3,000. Using Chebyshev's Theorem, what proportion of the faculty earns more than $66,000 but less than $78,000?;A) At least 50%;B) At least 25%;C) At least 75%;D) At least 100%

 

Paper#26193 | Written in 18-Jul-2015

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