# Project Management

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Question 1
Free
Multiple Choice

## In evaluating time-cost trade-offs, we start by crashing the task on the critical path that:

Has the lowest cost to reduce by one unit of time.

Has the lowest total crash cost.

Can be reduced the most.

Is the longest.

None of these.

Question 2
Free
Multiple Choice

16 hours

8 hours

20 hours

30 hours

Question 3
Free
Multiple Choice

A

D

C

E

B

Question 4
Free
Multiple Choice

\$55

\$185

\$160

\$50

Question 5
Free
Multiple Choice

A

C

E

F

Question 6
Multiple Choice

## Annie is planning a large surprise party for her sister Gwendolyn.She has developed the following plan, including estimates of the time (in hours) and cost necessary to perform each of the tasks required. What is Annie's total benefit from crashing this project by 6 hours?

\$55
\$185
\$160
\$240
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Question 7
Multiple Choice

## A project manager has discovered that three tasks are on the critical path for a particular project.She has developed the time estimates (in days) shown in the table below.Complete the table and determine the expected completion time for the project.

17 days
18 days
21 days
19 days
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Question 8
Multiple Choice

## A project manager has discovered that three tasks are on the critical path for a particular project.She has developed the time estimates (in days) shown in the table below.Complete the table and determine the probability that the project will be completed in 20 days or less.

Approximately 92 percent
Approximately 88 percent
Approximately 75 percent
Approximately 84 percent
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Question 9
Multiple Choice

## A project manager has discovered that three tasks are on the critical path for a particular project.She has developed the time estimates (in days) shown in the table below. The customer has offered a \$10,000 bonus if the project is completed within 14 days.What is the probability that the bonus will be earned?

Approximately 85 percent
Approximately 5 percent
Approximately 2.3 percent
Approximately 97.7 percent
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Question 10
Multiple Choice

## A simple sequential project (each task must be completed before the next one can begin) has the time estimates (in days) shown below: What is the expected total time for the project?

7.33 days
9.00 days
10 days
12.67 days
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Question 11
Multiple Choice

## A simple sequential project (each task must be completed before the next one can begin) has the time estimates (in days) shown below: What is the likelihood the project will be completed in 10 days?

Between 88 and 88 percent
Between 89 and 92 percent
Between 93 and 98 percent
Between 99 and 100 percent
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Question 12
Multiple Choice

## A simple sequential project (each task must be completed before the next one can begin) has the time estimates (in days) shown below: What is the probability that the project will be completed within 8.5 days? (Choose the closest answer.)

80 percent
20 percent
75 percent
5 percent
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Question 13
Multiple Choice

## Which of the following statements best describes "crash cost"?

Estimated cost to reduce a project task duration by one time unit.
Estimated cost to reduce a project duration by one time unit.
Estimated cost to reduce the project schedule by one time unit.
Actual cost to reduce a project duration by one time unit.
Actual cost to change a project schedule.
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Question 14
Multiple Choice

## Given the tasks, estimated durations, and crash costs shown below, what is the total cost of the steps needed to provide the cheapest way to reduce the project length by three days?

\$2,800
\$2,500
\$1,100
\$2,300
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Question 15
Multiple Choice

## Given the tasks, estimated durations, and crash costs shown below, if the benefit to crash the project by each day is a maximum of \$750, how many days would it be worthwhile to crash the project?

0
1
2
3
4
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Question 16
Multiple Choice

## Which of the following statements is true regarding crash costs?

Crash costs tend to increase with each additional day of crashing.
Crash costs tend to decrease with each additional day of crashing.
It is usually cheaper to crash tasks that are not on the critical path.
Additional crash costs are rarely justified in practice.
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Question 17
Multiple Choice

## An estimate of the duration of a task that is based on a weighted average of a range of possible task durations is known as:

Most likely duration.
Expected duration.
Worst-case duration.
Probabilistic duration.
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Question 18
Multiple Choice

## Task X has a best-case duration of 4 days, a worst-case duration of 10 days, and a most likely duration of 6 days.Using this information, we can estimate a 50 percent probability that the task will be completed in no more than how many days?

6.0 days
3.3 days
10.0 days
6.3 days
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Question 19
Multiple Choice

## Given the project data below, what is the expected length of path A, B, C?

9.0
9.8
9.4
17
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Question 20
Multiple Choice