Given an activity's optimistic, most likely, and pessimistic time estimates of 5, 7, and 15 days respectively, compute the PERT expected activity time (t) and variance of activity completion time (Var) for this activity.
1. t = 8, and Var = 2.78
2. t = 7, and Var = 1.78
3. t = 14, and Var = 2.78
4. t = 8, and Var = 1.78
Given an activity's optimistic, most likely, and pessimistic time estimates of 5, 7, and 15 days...
Given an activity's optimistic, most likely, and pessimistic time estimates of 5, 10, and 15 days respectively, compute the PERT variance for this activity
Given an activity's optimistic, most likely, and pessimistic time estimates of 6, 12, and 18 days respectively, compute the PERT variance for this activity
An activity on a PERT network has these time estimates: optimistic = 2, most likely = 3, and pessimistic = 10. What is its expected activity time and variance? A. 5; 1.78 B. 4; 1.78 C. 5; 10.67 D. 4; 10.67 E. None of the above.
Given the following activity list and times in days: (15 points) Activity Optimistic Most Likely Pessimistic Time Time Time A 7 10 12 B 6 8 14 C 5 9 12 D 12 14 21 E 10 12 15 F 4 5 8 G 1 3 8 H 12 15 17 NOTE 1: ASSUME THE CRITTCAL PATH IS “B-E-H”. Calculate the schedule duration of the critical path in days. What is the probability of the project being completed...
Activity D on a PERT network has an optimistic duration of 3 days, a most likely duration of 5 days and a pessimistic duration of 13 days. What is the expected duration of activity D? Formula: Expected Activity time: t = (a + 4m + b)/6 a. 5 days b. 6 days c. 7 days d. 10 days e. 12 days
Pert project method Activity Predecessors A group 5 optimistic Most likely Pessimistic Expected Variance a m b Time (t) o 2 3 2 1 B с D NWN mlm A 1 A,B 2 4 1 6 7 9 F 1 с с DE F,G 4 2 5 3 G 4 12 H 2 4 From the table above find the flowing answers. 1. Construct the project Network 2. Find the expected duration and Variance of each activity 3. Find the...
Consider the following precedence chart: ACTIVITY PRECEDING ACTIVITIES OPTIMISTIC TIME (days) PESSIMISTIC TIME days) MOST LIKELY TIME (days) 10 10 10 B.C DE The total slack for activity D is O 2 O O O
PERT Analysis: The following represents a project with four activities. All times are in weeks. Activity Immediate Predecessor Optimistic Time Most Likely Time Pessimistic Time A - 3 8 14 B - 8 8 8 C A 6 9 18 D B 6 11 17 According to the data in the above Table: What is the critical path? What is the minimum expected completion time for the project? According to the above Table, there are four activities in the project....
123) Given (Time in weeks): Activity Optimistic Most Likely Pessimistic A 3 4 5 B 6 7 14 C 2 3 10 D 6 9 12 E 4 5 12 F 1 3 11 G 1 2 9 H 2 5 8 I 1 4 7 Determine: (a) the critical path. ( HOW DO I DO THIS WITH OUT A PREDECESSOR?) (b) the probability that the project will be completed in 22 weeks.
Activity Predecessor Optimistic time Most likely time Pessimistic time A - 3 5 8 B - 4 6 10 C A,B 2 5 8 D B 3 5 9 E A,C 3 6 9 F C,E 1 3 5 G C,D 3 4 9 H D 4 6 10 I F,G 3 4 9 J H 2 4 6 A).Draw the project network b).what is the expected completion time of the project. c) after your calculation, if you find one...