Suppose you are in charge of planning and coordinating next spring's management training meeting for your company. You have listed all of the tasks that must be completed before the meeting. For most of these tasks there is a set of predecessor tasks that must be completed before the task begins. For example, you can't make food arrangements (Task F) until after the location is set (Task A). Task Predecessors A Set location B Obtain keynote speaker C Obtain other speakers B D Make travel plans for keynote speaker A, B E Make travel plans for other speakers C F Make food arrangements A G Negotiate hotel rates A H Prepare brochure C, G I Prepare handouts C, F J Take reservations H Tasks and Predecessors You estimate that setting the location (Task A) will likely take around 4 weeks. You estimate about a two-thirds chance that the time required will be within one week (plus or minus) of this estimate, but there is a small chance this estimate could be significantly off. You estimate that it is equally likely to take anywhere between 3 and 7 weeks to obtain the keynote speaker (Task B). You plan to