In order to find the expected time, we will use the following formula
T = (a + 4m + b) / 6
(9 + (4 * 14 ) + 21) / 6 = 14.33
the estimated mean time for an activity with a most likely time (m) equal to 14...
Estimated activity times and precedences are given below: Activity Optimistic Most Likely Pessimistic Required Precedence A 6 7 14 B 8 10 12 C 2 3 4 D 6 7 8 A E 5 5.5 9 B, C F 5 7 9 B, C G 4 6 8 D, E H 2.7 3 3.5 F What is the probability that the project will be completed within: A. 21 Days B. 22 Days C. 25 Days
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
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...
An activity on a PERT network has an optimistic time of 10 hours, a most likely time of 13 hours, and a pessimistic time of 28 hours. Find its VARIANCE. 20.25 hour2 25 hour? 9 hour2 16 hour2 12.25 hour2
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
An activity on a PERT network has these time estimates: optimistic = 4, most likely = 5, and pessimistic = 3. What is its expected activity time and variance? A) 3.5, 0.028 B) 4.5,1 C) 3.5, 1 D) 4.5, 0.028 E) none of the above
Assume all activities A, B, D are on the critical path. Activity Optimistic Time Most Likely Time Pessimistic Time A 1 4 10 B 4 9 10 C 12 17 28 D 4 5 6 The expected time for activity B is? 18.0 4.5 8.33 6.17 What is the standard deviation for the project? 4.43 2.11 1.67 2.80
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.
tki 4. What is the estimated slack time for activity A? a. O days b. 20 days c. 40 days d. 60 days 5. What is the distribution of assumed project completio a. Normalb. Beta c. Uniform di Binomia shqi - k activity in Belar 6. Write down the critical path: A) START A NE SU Activity Immediate Predecessor Most Likely Estimate Optimistic Estimate 38 90 85 - 가 Pessimistic. Estimate 62 0 50 108 lat 99 100 25 100...
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