The Delphi method can be used when the situation is vague and there is little data. T/F The higher smoothing constant () in the exponential smoothing method leads to a more sensitive demand forecast. T/F You manage a hotel with 200 rooms in Houston. The NCAA Championship Game is coming up. Sports fans either book a room in advance at a bargain rate or wait until the last minute, which will be sold at a premium rate. Based on your experience so far, you know the number of last-minute customers is Normally distributed with a mean of 75 and a standard deviation of 25. The advance booking will be $200ight (i.e., bargain rate) and the late booking will be $500ight (i.e., premium rate). Suppose that demand is high enough to fill up 200 rooms with advance bookings. How many rooms should you set aside for last-minute customers? Show your work to get partial credits.