In the following table the activities with their precedence sequence and expected time (days) are listed a project on which Carl Betterton's construction company is working: Activity Immediate Predecessor Time (day s) 33 44 66 66 44 44 66 88 ABCDEFGH (s) Figure 1 - A A B B C D E, F The correct AON diagram for the project is: Figure 3 E Figure 2 H
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- Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s)A 7 - E 4 BB 8 - F 7 BC 4 A G 11 C, ED 1 A H 6 D , F Dave's earliest start (ES) and earliest finish (EF) are: Activity ES EF A 0 7 B 0 8 C 7 11 D 7 88 E 8 12 Part 7 F ? ? G ? ? H ? ?GreenzTech Inc. is planning on installing a new computerised accounting system. For thisproject, they have established the following activities, precedence relationships, and timeestimates in weeks:a. Draw the network diagramb. Calculate the expected time for each activity.c. Calculate the variance of each activityd. Based on the calculation of estimated times, what is the critical path?e. What is the estimated time of the critical path?f. What is the activity variance along the critical path?g. What is the probability of completion of the project within 50 weeks or less?Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A 7 − E 4 B B 6 − F 5 B C 4 A G 10 C, E D 2 A H 8 D , F Part 2 Dave's earliest start (ES) and earliest finish (EF) are: Part 3 Part 4 Part 5 Part 6 Part 7 Part 8 Part 9 Part 10 Dave's latest start (LS) and latest finish (LF) are:…
- Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A 7 − E 5 B B 8 − F 6 B C 4 A G 11 C, E D 3 A H 7 D , F Part 2 Dave's earliest start (ES) and earliest finish (EF) are: Part 3 Part 4 Part 5 Part 6 Part 7 Part 8 Part 9 Part 10 Dave's latest start (LS) and latest finish (LF) are:…Three recent college graduates have formed a partnership and have opened an advertising firm.Their first project consists of activities listed in the following table.a. Draw the precedence diagram.b. What is the probability that the project can be completed in 24 days or less? In 21 days or less?c. Suppose it is now the end of the seventh day and that activities A and B have been completedwhile activity D is 50 percent completed. Time estimates for the completion of activity D are5, 6, and 7. Activities C and H are ready to begin. Determine the probability of finishing theproject by day 24 and the probability of finishing by day 21.TIME IN DAYSActivityImmediatePredecessor Optimistic Most Likely PessimisticA — 5 6 7B — 8 8 11C A 6 8 11D — 9 12 15E C 5 6 9F D 5 6 7G F 2 3 7H B 4 4 5I H 5 7 8End E, G, Id. The partners have decided that shortening the project by two days would be beneficial, as longas it doesn’t cost more than about $20,000. They have estimated the daily crashing costs for…Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s)A 6 - E 5 BB 8 - F 6 BC 2 A G 9 C, ED 3 A H 7 D , F Dave's earilest start (ES) and earliest finish (EF) are: Activity ES EF A 0 6 B 0 ? C D E F G H
- A small software development project at Krishna Dhir's firm has five major activities. The times are estimated and provided in the table below. ACTIVITY IMMEDIATE PREDECESSOR a m b A − 1 4 7 B − 2 5 14 C A 5 11 17 D B 3 9 15 E C 3 3 3 Part 2 a) Find the expected completion time for this project. The expected completion time for this project is (enter your response as a whole number). Part 3 b) What variance value would be used to find probabilities of finishing by a certain time? The…The new director of special events at a large university has decided to completely revamp graduation ceremonies. Toward that end, a PERT chart of the major activities has been developed. Thechart has five paths with expected completion times and variances as shown in the table. Graduation day is 16 weeks from now. Assuming the project begins now, what is the probability that theproject will be completed beforea. Graduation time?b. The end of week 15?c. The end of week 13?PathExpected Duration(weeks) VarianceA 10 1.21B 8 2.00C 12 1.00D 15 2.89E 14 1.44A plumber has decided to use the techniques of project management in order to plan a job. He knew all the different activities of the job, their precedence and their average durations. They are shown on the table below.ActivityDuration (days)Preceding activitiesA3NoneB3NoneC4AD9AE4B and CRequired:1. Draw a network diagram representing the sequence of activities and the dependence between them.2. Determine how long it will take to complete the job by conducting the forward pass3. By conducting the backward pass, identify the critical path and the non-critical path(s).Note:The work for this task should be produced using Word drawing facilities. The forward and backward passes should be clearly shown on the diagram. The calculations should be shown next to the network diagram.
- GreenzTech Inc. is planning on installing a new computerised accounting system. For thisproject, they have established the following activities, precedence relationships, and timeestimates in weeks:1. Based on the calculation of estimated times, what is the critical path?2. What is the estimated time of the critical path?3. What is the activity variance along the critical path?4. What is the probability of completion of the project within 50 weeks or less?11-17 The following are the activity times for the project in Problem 11-16. Find the earliest, latest, and slack times for each activity. Then find the critical path. ACTIVITY TIME (DAYS) A 3 B 7 C 4 D 2 E 5 F 6 G 3 11-16.A project manager has compiled a list of major activities that will be required to install a computer information system in her firm. The list includes estimated completion times for activities and precedence relationships.Use Table B1 and Table B2. Activity ImmediatePredecessor Estimated Times(weeks) A — 2-4-6 D A 6-8-10 E D 7-9-12 H E 2-3-5 F A 3-4-8 G F 5-7-9 B — 2-2-3 I B 2-3-6 J I 3-4-5 K J 4-5-8 C — 5-8-12 M C 1-1-1 N M 6-7-11 O N 8-9-13 End H, G, K, O If the project is finished within 26 weeks of its start, the project manager will receive a bonus of $1,000; and if the project is finished within 27 weeks of its start, the bonus will be $500. Find the probability of each bonus. (Round Mean, Standard Deviation to 2 decimal places and Probability to 4 decimal places.) Path Mean Std. Dev. a-d-e-h 24.33 Numeric Response1. Edit Unavailable.24.33correct. 1.35 Numeric Response2. Edit Unavailable.1.35correct. a-f-g 15.50 Numeric…