Mathematics, 21.07.2020 20:01 shaheedbrown06

Ferric chloride is used as a flux in some types of extractionmetallurgy processes. This material is shipped in containers, and the container weight varies. It is important to obtain anaccurate estimate of mean container weight. Suppose that fromlong experience a reliable value for the standard deviation of fluxcontainer weight is determined to be 4 lb. How large a samplewould be required to construct a 95% two-sided confidence intervalon the mean that has a total weight of 1lb?

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Ferric chloride is used as a flux in some types of extractionmetallurgy processes. This material is...