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The town’s tax assessor wants to be 90% confident that the average value of oneacre lots in her town is $60 000

Question

The town’s tax assessor wants to be 90% confident that the average value of one-acre lots in her town is $60,000.

She takes a sample of 25 randomly selected lots, having a standard deviation of $5,000 and a mean of $57,000. Based on this information, which of the following statements would be correct?
Statistics and Probability

The town’s tax assessor wants to be 90% confident that the average value of oneacre lots in her town is $60 000