Math

StatisticsQ&A LibraryAn economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. Suppose that the mean income is found to be $31.7 for a random sample of 753 people. Assume the population standard deviation is known to be $9. Construct the 80% confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place.Start your trial now! First week only $4.99!*arrow_forward*

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