Mathematics, 14.12.2019 06:31 lucahoffmannm

An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in california. suppose that the mean income is found to be $22.7$⁢22.7 for a random sample of 183183 people. assume the population standard deviation is known to be $6.3$⁢6.3. construct the 85%85% confidence interval for the mean per capita income in thousands of dollars. round your answers to one decimal place.

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An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city...