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

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Statistics

An economist wants to estimate the mean per capita income (inthousands of dollars) for a major city in California. Suppose thatthe mean income is found to be $23.1 for a random sample of 3231people. Assume the population standard deviation is known to be$11.8. Construct the 95% confidence interval for the mean percapita income in thousands of dollars. Round your answers to onedecimal place.

Answer & Explanation Solved by verified expert
4.4 Ratings (939 Votes)
Solution Given that 231 118n 3231At 95    See Answer
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