Mathematics, 30.10.2020 17:40 fangkronos
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 $23.5 for a random sample of 313 people. Assume the population standard deviation is known to be $7.3. Construct the 80% confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place.
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