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Math 117 8.42 The high price of medicines is a source of major expense for those seniors in the United States who have to pay

Math 117
8.42 The high price of medicines is a source of major expense for those seniors in the United States who have to pay for these medicines themselves. A random sample of 2000 seniors who pay for their medicines showed that they spent an average of $4600 last year on medicines with a standard deviation of $800. Make a 98% confidence interval for the corresponding population mean

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