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The Human Relations Department of Electronics, Inc., would like to include a dental plan as part of thebenefits package. The question is: How much does a typical employee and his or her family spend per year on dental expenses? A sample of 45 employees reveals the mean amount spent last year was $1,820, with a standard deviation of $660.

(a) What are the endpoints of a 95 percent confidence interval for the population mean.

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Category:- Statistics and Probability
Reference No.:- M9994807

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