Question: Bugle Systems is developing an app for mobile devices. They need to do the following steps (with estimated time in days of each task and

Bugle Systems is developing an app for mobile

Bugle Systems is developing an app for mobile devices. They need to do the following steps (with estimated time in days of each task and prerequisite relations shown). Draw a project network for this situation. Activity D Description Time Immediate Predecessor Gather specs UML model 2 A Quick prototype 3 Code core logic 10 C Make User Interface 5 Ic Integrate logic and UI 2 DE Test/Debug 5 F Market 2 C Deliver product 1 GH E G What is the minimal possible completion time in problem 1? Which activities are critical? What is the slack of each activity? Suppose that the times above are uncertain, with the optimistic, most probable, and pessimistic activity times as follows: Activity Optimistic Most Probable Pessimistic 3 3 What is the expected completion time? What is the probability that it will be completed within 30 days

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