1 MARKS 25 The Operations Manager at the National Water Commission (NWC) needs to repair a water well which has caused disruption in service to 15,000 citizens in Hillspress. These citizens have complained to the Office of Utilities Regulation (OUR). The Operations Manager has projectised the repairs and established the following list of activities, their predecessors and probabilistic times below Duration in days Activity Predecessor Optimistic Likely Pessimistic ABCDEFGH 3 4 11 A 2 5 8 A 3 6 9 B, C 8 12 20 B 3 5 12 D C F, G 416 262 7 14 10 e) Which activity can be delayed the longest without delaying the project and for how long 2 marks f) Develop the activity schedule for the project 2 marks g) The OUR has indicated to the NWC that if the well is not repaired and service resumed to the citizens within 35 days. they will not receive the rate increase they have applied for. What is the probability that the NWC will get the rate increase they applied for? 4 marks