1 Which of the following are possible specifications for a Normal distribution? Select ALL answers that are possible. Partial credit for each correct answer, but negative partial credit for each incorrect answer. If your overall score from partial credit is negative, score for the question is zero. O AN(-1-1) B. N(-1,1) O C.N(0,1) D.N(0,1) O E. N(1.1) OF N(12-1) QUESTION 2 A random variable may be discrete or continuous. Which of the following is an example of a discrete random variable? A. The weight of one pumpkin pulled from a large container full of them. B. The number of books sold tomorrow at the Drexel bookstore. C. The time needed to drive to your home if you leave the Drexel campus at 2:00pm tomorrow. O D. The temperature measured tomorrow at Amtrak 30th Street Station. QUESTION 3 Why is it necessary to repeat a simulation many times before drawing any conclusion? The random numbers may not work correctly on the first few tries, The outputs typically get better the more times you run the simulation. The outputs are random, so we need to consider average performance, If the business condtions change, the simulation model will have to be adjusted