Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol for the indicated parameter. The manufacturer of a refrigerator system system for beer kegs produces refrigerators that are supposed to maintain a true mean temperature, mue, of of 43 degrees F, ideal for a certain type of German pilsner. The owner of the brewery does not agree with the refrigerator manufacturer, and claims he can prove that the true mean temperture is incorrect.
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