Mathematics, 19.11.2020 18:50 drejones338p04p2p
An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. He believes that the mean income is $24.6, and the standard deviation is known to be $7.9. How large of a sample would be required in order to estimate the mean per capita income at the 80% level of confidence with an error of at most $0.56? Round your answer up to the next integer.
Answers: 2
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An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city...
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