10) A project being analyzed by PERT has 60 activities, 13 of which are on the critical path. If the estimated time along the critical path is 214 days with a project variance of 100 , what is the probability that the project will take 224 days or more to complete? A) 0.8413 B) near zero C) 2.14 D) 0.0126 E) 0.1587 11) Which of the following is not a type of qualitative forecasting? A) market survey B) Delphi method C) moving average D) jury of executive opinion E) sales force composite 12) John's House of Pancakes uses a weighted moving average method to forecast pancake sales. It assigns a weight of 5 to the previous month's demand, 3 to demand two months ago, and 1 to demand three months ago. If sales amounted to 1000 pancakes in May, 2200 pancakes in June, and 3000 pancakes in July, what should be the forecast for August? A) 2511 B) 1622 C) 2400 D) 3767 E) 2067