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

###### Question:

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 $24.3$⁢24.3 for a random sample of 758758 people. Assume the population standard deviation is known to be $9.2$⁢9.2. Construct the 90%90% confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place.

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