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A financial institution wishes to estimate the mean balance owed by its credit card customers. a random sample of 64 credit card customers was taken. according to the sample results, the average credit card balance is $600. the population standard deviation is known to be $200. construct a 96 percent confidence interval estimate of the true mean population credit card balance for this financial institution.

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Well is 64 and 64 a thing with 64 cus if so you will have to add 64 to 69 you know??
User Samumaretiya
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