Activity Most Likely Time tm 4.0 Case Stdy 2 Project Management Activity list for the Reliable Construction Co. project is given below. (Duration in Weelest to +4 tutte 6 Activity Description Immediate Optimistic Pessimistic Expected Variance Predecessors Time Time Duration to tp te A Excavate 1 2 3. 2 B Lay the foundation A 2 3.5 8 4 Put up the rough wall B 6 9 18 D Put up the roof 4 5.5 10 E Install the exterior 1 4.5 5 4 6-ciun plumbing F Install the interior E 4 4 10 plumbing G D Put up the exterior siding 5 6.5 11 7 H E,G Do the exterior painting 5 17 8 I Do the electrical work 3 7.5 9 3 9 FI 9 J Put up the wallboard 4 4 4 J K Install the flooring 1 K 5.5 7 L Do the interior painting 1 2 3 H M Install the exterior fixtures 5 5.5 9 Install the interior fixtures L 4 N Draw the network, Find the critical path, Critical activities and calculate the expected duration of the project? Also calculate the probability of completing this project in 50 weeks? Draw a Gantt chart for scheduling this Project? z 55