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13. A sample of assistant professors on the business faculty at state supported institutions in Ohio revealed the mean income to be $32,000 for 9

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13. A sample of assistant professors on the business faculty at state supported institutions in Ohio revealed the mean income to be $32,000 for 9 months with a standard deviation of $3,000. The shape of the distribution is asymmetric. What proportion of the faculty earns more than $29,000 but less than $35,000? a. 75% b. 68% c. 25% d. unable to compute

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