The manager of the Oak Hills Swimming Club is planning the club's swimming team program. The first team practice is scheduled for May 1 . The activities, their immediate predecessors, and the activity time estimates (in weeks) are as follows. (a) Draw a project network. (Submit a file with a maximum size of 1 MB.) No file chosen (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 time (in weeks)? (Round your answer to two decimal places.) weeks (d) If the club manager plans to start the project on February 1, calculate the probability the swimming program will be ready by the scheduled May 1 date (13 weeks) based solely on the critical path. (You may need to use the appropriate technology to answer this question. Round your answer to four decimal places.)