the project path with zero slack. on time. O d) The delays in critical path activities will delay the project. Project Management Problem A for Questions #20 - #23 Consider the following project network. Time estimates are in weeks. B (2) D (4) (5) w E (6) ES EF LS LF Slack Activity A Duration 2 B 4 C 15 D 4 E 6 F Question 20 (5 points) In the previous project network, the critical path activities are: a) A, B, and C. b) A. B, C, D, and F. D E Question 20 (5 points) In the previous project network, the critical path activities are: a) A, B, and C. O) A, B, C, D, and F. Oc) A, B, D, and F. O d) B, C, D, and F. Question 21 (5 points) The LF time for activity A is: a) 2 Ob 6 c) 11 d) 15 Question 22 (5 points) The ES time for activity Dis: O a) 2 O d) 15 Question 22 (5 points) 12. The ES time for activity D is: a) 2 15 Ob) 6 18 O c) 11 21 O d) 15 24 Question 23 (5 points) 7 The total completion time for the project is - O a) 18 Ob) 22 3 O c) 24 d) 28 Question 24 (5 points) Which one of the following statements about Project Evaluation and Technique (PERT) is TRUE? a) The expected time is given and not computed using formulas Ob) The probability of completing the project on time is when the completion time equals the expected time