A project has the following activities as given in Table 2.107 and other activity-related characteristics. Table 2.107 Project activity details (a) Draw the PERT network. (b) Identify the critical path. (c) Determine the mean project completion times. (d) Find the probability that the project is completed in 36 weeks. (e) If the project manager wishes to be 99% sure that the project is completed, how many days should be provided for the project work