Express the null hypothesis and the alternative hypothesis in symbolic form for a test to support this claim. Use the correct symbol up. on for the indicated parameter. The manufacturer of a refrigerator system for beer kegs produces refrigerators that are supposed to maintain a true mean temperature, u, of 44'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 temperature is incorrect. O Hot H - 44 H1:H 44 OHoil = 44 H1: H = 44 O Ho: H = 44 Hill - 44