(Answered) A bar wants to move into a new area they want to find out

Economics

A bar wants to move into a new area. They want to find out the average income of people in the area to set a price point. To estimate the income of the locals with an error of at most $5,000 at a 80% confidence level, what sample size should they use. Standard deviation basted on property taxes paid is 2.0.

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Business Economics, Economics

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