Mathematics, 05.07.2019 17:20 aniyahrhs1213
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 $22.2, and the variance is known to be $136.89. 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 $0.51? round your answer up to the next integer.
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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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