1. Let Y be a random normal variable with mean 30 and standard deviation 5. Find the area between y = 25 and y - 35. 2. Let Y be as above. Now find P(20 < Y < 40) 3. Answer the following questions. a. State the empirical rule. b. Make a connection between your answers to questions 1 and 2, and the empirical rule. (i.e what have you shown with your answers to 1 and 2)