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Exam 17: Project Management

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Question 51

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What is the probability that the critical path for this project will be completed within 210 days?

A) 0.5000
B) 0.8413
C) 0.9544
D) 0.9772
E) 0.9987

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Question 52

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An advantage of Gantt charts in project management is that they reveal which activities can be delayed without delaying the overall project.

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Question 53

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What is the estimated expected (mean) duration for project completion?

Activity 7 is directly preceded by two activities-activity 5 and activity 6.Activity 5 has an expected duration of five and an ES time of six.Activity 6 has an expected duration of seven and an ES time of seven.Activity 7 has an expected duration of 10.The ES for activity 7 is:

-What is the estimated expected (mean)duration (in weeks)for project completion?

-What are the estimated slack times (in weeks)for activities A-H?

In a precedence network the critical path is the sequence of activities which has:

What is the estimated expected (mean) duration for project completion?

-What is the estimated standard deviation (in weeks)for the critical path completion time?

Following project initiation,planning and scheduling,project execution is the last phase of a projects life cycle.

Which of the following are advantages of CPM/PERT? I.Relationships among activities can be identified. II.Slippage in project activities is no longer an issue. III.Activities that need to be watched closely can be identified.

A project consists of nine major activities,as shown.There are three separate paths in the network: a-c-f,b-d-g,and e-h-i. (i)What is expected project duration time? (ii)Determine the probability that the project will take more than 35 weeks to complete.(All durations are in weeks.)

Careful planning of complex projects can eliminate the occurrence of risk events that have undesirable consequences.

-What activities make up the critical path?

-What is the probability that the critical path for this project will be completed within 75 weeks? 80 weeks? 85 weeks? 90 weeks?

What is the estimated slack time for Activity E?

Which of the following is not an advantage of using project management software?

The probability that the project will go beyond the desired time is equal to one minus the joint probability that all paths will be completed within the desired time.

Given the network diagram above,determine each of the following: (i)the activities which are on the critical path (ii)the expected project duration (iii)the probability that the project will be completed in 29 weeks or less (Note: the numbers on each node refers to the expected duration and standard deviation in weeks for that activity. E.G., 8,2 indicates an expected duration of eight and a standard deviation of two weeks.)

The expected duration of this project is: