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
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...
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.
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