Mathematics, 13.08.2021 02:40 creeconnell1

Suppose that the mean income is found to be $21.1 for a random sample of 717 people. Assume the population standard deviation is known to be $12.6. Construct the 85% confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place.

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Suppose that the mean income is found to be $21.1 for a random sample of 717 people. Assume the popu...