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Exam 23: Project Management

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Question 41

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Consider the following work breakdown structure: What is the estimated slack time for activity D?

A) 0 days
B) 19 days
C) 20 days
D) 79 days
E) 80 days

F) A) and D)
G) B) and E)

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Question 42

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One way that project management differs from management of more traditional activities is because of the limited time framework of projects.

A) True
B) False

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Question 43

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Some organizations use a matrix organization to integrate the activities of specialists within a functional framework.

In the execution phase of a project's life cycle, activities are guided by decisions that were made in the __________ phase.

The path in a network with the average length of time to completion is called the critical path.

Consider the following work breakdown structure: What is the probability that this project will be completed within 205 days?

If the expected length of a path is more than 2.5 standard deviations less than a desired project completion time, the path will not be a factor in assessing the probability of finishing the project on time.

Activity 4-5 in a network diagram has an optimistic time estimate of five days, a most likely time estimate of seven days, and a pessimistic time estimate of 10 days. Its expected time (in days) is approximately:

Many activities have slack time; if we add these slack times together, this represents the potential improvement in early completion for the project.

Which of the following leads to simulation being a useful tool with uncertain activity times?

There are four activities on the critical path. Coincidentally, their standard deviations are all equal to 4. The standard deviation of the critical path is therefore equal to:

The earliest finish time for an activity is equal to the latest finish time minus the activity time.

Project management differs from management of more traditional activities mainly because of: (I) its limited time frame. (II) its unique, defined set of activities. (III) the requirement for use of the appropriate resources. (IV) the need for planning and execution.

Activity 7-8 is directly preceded by two activities-activity 5-7 and activity 6-7. Activity 5-7 has an expected time of five and an ES time of six. Activity 6-7 has an expected time of seven and an ES time of seven. Activity 7-8 has an expected time of 10. The ES for activity 7-8 is:

Project management software eliminates constraint violations when there are shared resources.

If two consecutive activities on the same path each have two days of activity slack, this means that each of them can be delayed by two days without delaying the project.

Once a project is approved and underway, project managers are only responsible for effectively managing time and costs which, if done well, will assure project completion on time and on budget.

Project risk events tend to be unlikely __________ a project, but that's also when they tend to be the __________.

A hierarchical listing of what must be done in a project is called a:

Suppose a project is subject to the following risk events (each with a given probability of occurring and a cost associated with that occurrence) : $\begin{array} { l c c } \text { Event } & \text { Probability } & \text { Cost(\$000s) } \\\text { I } & .2 & 53 \\\text { II } & .6 & 54 \\\text { III } & .1 & 12 \\\text { IV } & 3 & 21\end{array}$ Given these, Event _____ should probably get the most attention and Event _____ should probably get the least.