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A union of restaurant and foodservice workers would like to estimate the mean hourly wage,m ,of foodservice workers in the U.
A union of restaurant and foodservice workers would like to estimate the mean hourly wage,m ,of foodservice workers in the U.S. The union will choose a random sample of wages and then estimate m using the mean of the sample. What is the minimum sample size needed in order for the union to be 95% confident that its estimate is within 0.35 of m? Suppose that the standard deviation of wages of foodservice workers in the U.S. is about 2.20 . Carry your intermediate computations to at least three decimal places. answer as a whole number (and make sure that it is the minimum whole number that satisfies the requirements).
