Question: Suppose that we wanted to use a random sample to determine the average income in the country. If we know the population standard deviation is

Suppose that we wanted to use a random sample to determine the average income in the country. If we know the population standard deviation is 13,925, how large does our sample need to be to get a standard error of 83?If you end up with something that isn't a whole number, that is ok, just round to four decimal places anyway.

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