The standard deviation for the costs of all doctors visits, Ask an Expert

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Suppose that at a certain medical clinic the average cost of a doctors visit for a random sample of 55 of its patients is found to be at $116.74. if it is known that the standard deviation for the costs of all doctors visits is $35.15, estimate with 95% confidence the average cost of a doctors visit for all the patients of this medical clinic.

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Category:- Statistics and Probability
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