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 $26.7, and the variance is known to be $34.81
. How large of a sample would be required in order to estimate the mean per capita income at the 98%
level of confidence with an error of at most $0.54? Round your answer up to the next integer.Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.