Chapter 8

27. Task H has duration of 5 days, an early start of 25 days, an early finish of 30 days, a late start of 20 days, and a late finish of 30 days. There are ________ days of slack for task H.

0

26. Given project task E and estimates of 10 days for the optimistic time, 20 days for the pessimistic time, and 12 days for the most likely time, the standard deviation for time using the beta statistical distribution is ________ days.

1.67

24. Given project task E and estimates of 10 days for the optimistic time, 20 days for the pessimistic time, and 12 days for the most likely time, the expected time using the beta statistical distribution is ________ days.

13

29. Assume that task J has a most likely duration of 20 days, an optimistic duration of 13 days, and a pessimistic duration of 30 days. If the optimistic and pessimistic durations are 95 percent estimates, the standard deviation for task J is ________ days.

5.15

30. Using precedence diagramming methods, activity B must not start until after activity A has been completed. Moreover, the outcome of activity A cannot be used until 3 days after its completion. The type of relationship that exists between activities A and B is correctly labeled as ________.

Ans: FS + 3d or FS + 3ed

23. The ________ chart shows planned and actual progress for a number of tasks displayed against a horizontal timescale.

Gantt

25. ________ law suggests that work expands to fill the allotted time.

Parkinson's

11. The shortest time in which the entire network can be completed is referred to as ________. a) The critical time of the network b) The critical path c) The elapsed time of the network d) The slack time of the network

a

13. While performing a backward pass calculation for a network, when multiple paths converge into a predecessor activity, the value carried backward to the late finish of the predecessor activity is a) The smallest late start of the predecessor's immediate successors b) The largest late start of the predecessor's immediate successors c) The largest early start of the predecessor's immediate successors d) The smallest early start of the predecessor's immediate successors

a

5. In an AON diagram, when there are multiple activities without predecessors and there are multiple activities having no successors, ________ are used to eliminate the potential for hanging tasks in the network. a) Start and stop nodes b) Dummy activities c) Lags and leads d) Loopbacks

a

17. The authors, when discussing networks, describe ________ as a specific task or set of tasks that are required by the project, use up resources, and take time to complete.

activity

3. The critical activities in real-world projects typically constitute no more than ________% of the total activities in the project. a) 5 percent b) 10 percent c) 20 percent d) 50 percent

b

6. In the AOA network, circles depict ________. a) Activities b) Events c) Logical dependencies d) Dummy activities

b

8. The Gantt chart is intended to monitor the detailed progress of work, whereas the master schedule contains only major tasks and is oriented toward ________. a) Monitoring detailed progress of work b) Overall project management rather than precise control of detailed work c) Overall project management, including precise control of detailed work d) Detailed resource management

b

9. The calculation of the standard deviation for the beta distribution is based on the assumption that ________. a) The range is divided by a count of the values used to compute the mean b) The range is approximately equal to six standard deviations c) The standard deviation is 50 percent of the mean d) The standard deviation is a square of the statistical variance

b

1. The authors recommend preparing a schedule for each ________. a) Work package in the WBS b) Task in the WBS c) Major task level in the WBS d) Project that has a WBS

c

10. Task F has duration of 10 days and an early start date of 20 days. Based on the given data, determine the early finish date for task F. a) 10 days b) 20 days c) 30 days d) 5 days

c

14. In a statistical distribution, when an observation's value moves closer to the distribution's mean, the z-score value will ________. a) Increase b) Remain the same c) Decrease d) More data is needed

c

15. When using the beta distribution, the denominator of the formula for standard deviation should ________. a) Always equal 6 b) Be adjusted by converting the range into the correct statistical variance c) Be adjusted by converting the range into the correct z-score value d) Be adjusted by converting the range into 50 percent of the mean

c

31. In CPM, an activity can be conducted at a normal pace or an expedited pace, known as ________, at a greater cost.

crashing

21. In a network, if the delay of an activity will delay completion of the project, the activity is called ________.

critical

32. An activity or event that, if delayed, will delay project completion is ________.

critical

12. While performing a forward pass calculation to determine the critical path of a network, when multiple paths converge into a successor activity, the value carried forward to the early start of the successor activity is ________. a) The smallest early finish of the successor's immediate predecessors b) The smallest late finish of the successor's immediate predecessors c) The largest late finish of the successor's immediate predecessors d) The largest early finish of the successor's immediate predecessors

d

2. In application, PERT has primarily been used for ________ projects. a) Construction b) Manufacturing c) Industrial d) Research and development

d

4. In a network, an activity can be shown in one of three conditions. Identify the statement that does not correctly describe one of the three possible conditions. a) The activity may have a successor but no predecessor b) The activity may have a predecessor but no successor c) The activity may have a predecessor and a successor d) The activity may have neither a predecessor nor a successor

d

7. Most commercially available project management software applications use the ________ type of network. a) GERT b) PERT c) AOA d) AON

d

22. In AOA networks, an activity of zero duration is called a ________.

dummy activity

18. The authors, when discussing networks, describe an ________ as the result of completing one or more activities. It is an identifiable end state occurring at a particular time. It does not use resources.

event

28. Any time two or more paths of a network come together, the probability of both paths being on time is the product of the probabilities for the individual paths. This scenario is referred to as ________.

merge bias

33. A clearly identifiable point in a project or set of activities that commonly denotes a reporting requirement or completion of a large or important set of activities is called a ________.

milestone

19. The arrangement of all activities (and, in some cases, events) in a project arrayed in their logical sequence and represented by arcs and nodes, is called a ________.

network

34. A ________ is a combination of interrelated activities and events depicted with arcs and nodes.

network

35. A ________ is an intersection of two or more lines or arrows, commonly used for depicting an event or activity.

node

20. In a network, a ________ is a series of connected activities (or intermediate events) between any two events in a network.

path

16. A ________ is the conversion of the project action plan into an operating timetable.

schedule