From the question Please solve e and f

23: For the following data: Time Estimates (days) ta Task Predecessor 5 5 A B D E F G H 1 J K L M N o A B B D D F, G HI E J M, K, LN 3 2 1 4 2 5 4 6 3 8 9 6 4. 3 5 4 6 8 9 12 9 7 14 12 11 7 8 8 13 8 6 10 11 16 20 13 14 22 20 15 12 16 10 a. Draw an AON diagram. b. Compute the expected completion time for each task. C. Compute early and late times. d. Compute slack for all tasks. e. Identify the critical path and the expected completion time and Variances. f. Your project manager wants you to compute a completion time (in days) that gives you a 95% chance of success. He will use this time estimate in negotiating a completion date for the project