You may need to use the appropriate technology to answer this question. Due to population growth in the area, the new Liberty High School has just opened in a local school district. The athletic director at Liberty High is planning the launch of the school's track and field team. The first team practice is scheduled for April 1. The activities, their immediate predecessors, and the activity time estimates (in weeks) are listed in the following table. Time (Weeks) Activity Description Immediate Predecessor Optimistic Most Probable Pessimistic A Meet with board 1 1 2 B Hire coaches A 4 6 8 C Conduct fundraiser A 2 4 6 D Announce program B, C 1 2 3 E Meet with coaches B 2 3 4 F Order team equipment A 1 2 3 G Register athletes D 1 2 3 H Reserve buses for meets G 1 2 3 I Plan first practice E, H, F 1 1 1