Due to population growth in the area, the new Lberty High School has just opened in a local sehool district. The athletic director at Lberty High is planning the launch of the school's track and field team. The first team practice is scheduled for Aphil 1. The activities, their immediate predecessces, and the activity time emtimates (in weeks) are listed in the following table. (a) Draw a project network. (b) Develop an activity schedule. (Round your answers to two decimal places.) (c) What are the critical activities? (Enter your answers as a comma-separated list.) What is the expected project completion tme (in weeks)? (Aound wour answer to two decimal places.) weeks (d) If the athiebic director plans to start the project on January 1, eniculate the probabilky the track and field team wil be ready by the scheduled Aorit 1 dake (13 weeki) bated solely on the critical path. (Round your answer to four decimal places.) Should the athletc directer begin planning the track and field team before January 17 fthe probabing fir finiahing on schedule should be at least 0.9 .3 Since the probability that the track and field team will be ready by April 1 is than 0.9 , the athlebe director begin planning betore January 1