econ 375 ch. 8 help economicsssssssssssssssss

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Question description

A local electronics firm wants to determine their average daily sales in dollars a sample of the sales for 50 days revealed average sales of 140000 previous data shows the standard deviation of all units is known to be 12000. provide a 93% confidence interval estimate for the average daily sales

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(Top Tutor) Daniel C.
School: Cornell University
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