Identified three completion times of each activity optimistic time 1. Pessimistic time 2.most likely time 3. All the such details are given in the table

A company is planning to bid a new job of installing drill machines in the factory site. The company management has broken the whole into seven exhaustive and mutually exclusive activities. The management also identified the sequence of each activities that is shown in the immediate predecessors' column. Since the company is taking this job first time so it has identified three completion times of each activity-optimistic time (a), pessimistic time (b), and the most likely time (m). All such details are given in the table below: Activity Predecessors totelett Immediate m Mean St. Dev. None 10 2015 BA 8 15 10 CA 8 DB 10 13 12 2 a. Develop a project network and determine the expected project completion time. b. The project manager wants to finish the project within two weeks earlier than the normal project completion. Emulate the probability that he could do so