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100 employees at the University of Arizona are randomly selected and measured their BMI. Their average BMI is 28 with a standard deviation of 4.

100 employees at the University of Arizona are randomly selected and measured their BMI. Their average BMI is 28 with a standard deviation of 4. What distribution can be used to construct a 95% confidence interval for the mean BMI for the employees at the University of Arizona based on the 100 employees

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