Consider the tasks, Activity Immediate Optimistic Most Likely Pessimistic Description Predecessor(s) (Weeks) (Weeks) (Weeks) and A 4 7 10 --- B A 2 8 20 C A 8 12 16 D B 1 2 3 in E D, C 6 8 22 the F C 2 3 4 G F 2 2 2 H F 6 8 10 network. I E, G, H 4 8 12 Draw the J I 1 2 3 network and a. What is the expected time for activity B? answer b. What is the variance for activity B? the c. Based on the calculation of estimated times, what is the critical path? d. What is the estimated time of the critical path? that e. What is the activity variance the critical path? follow. f. What is the probability of completion of the project before week 42? 153)
Consider the tasks, and in the network. Draw the network and answer the that follow. Activity Description Immediate Predecessor(s) Optimistic (Weeks) Most Likely (Weeks) Pessimistic (Weeks) A --- 4 7 10 B A 2 8 20 C A 8 12 16 D B 1 2 3 E D, C 6 8 22 F C 2 3 4 G F 2 2 2 H F 6 8 10 I E, G, H 4 8 12 J I 1 2 3 a. What is the expected time for activity B? b. What is the variance for activity B? c. Based on the calculation of estimated times, what is the critical path? d. What is the estimated time of the critical path? e. What is the activity variance the critical path? f. What is the probability of completion of the project before week 42? 153)
Test-Bank-Operations-Management-9th-Edition-Krajewski.docx