Introduction to Management Science 12th Edition by Bernard Taylor

Exercise 8

Jane and Jim Smith are going to give a dinner party on Friday evening at 7:00 p.m. Their two children, Jerry and Judy, are going to help them get ready. The Smiths will all get home from work and school at 4:00 p.m. Jane and Jim have developed a project network to help them schedule their dinner preparations. Following is a list of the activities, the precedence relationships, and the activity times involved in the project:
Develop a project network and determine the earliest and latest start and finish times, activity slack, and critical path. Compute the probability that they will be ready by 7:00 p.m.