27. The prices of the snackfood items sold by a large supermarket chain have mean a = $3.34 and standard deviation 0 = $0.12. We
27. The prices of the snackfood items sold by a large supermarket chain have mean a = $3.34 and standard deviation 0 = $0.12. We want to take an SRS such that the sample mean has a standard deviation of 0.03. How many samples do we need
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