Question 19 4 pts Express the null hypothesis Ho and the alternative hypothesis H, in symbolic form. Use the correct symbol (H, p, o )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 43F, 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 les than 39 degrees. O Ho: H = 43 H1: H 430 O Ho: H