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A student in business administration wants to determine the mean amount members of city councils in...

A student in business administration wants to determine the mean amount members of city councils in large cities earn per month as remuneration for being a council member. The error in estimating the mean is to be less than $100 with a 95% level of confidence. The student found a report by the Department of Labor that estimated the population standard deviation to be $1000. What is the required sample size?

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