Decision Science MCQ Set 5

QN1. _ is the latest time by which an activity can be started without delaying the completion of the project.
a) EST
b) EFT
c) LST
d) LFT

Answer

Answer: c) LST

QN2. _ is the latest time by which an activity can be finished without delaying the completion of the project.
a) EST
b) EFT
c) LST
d) LFT

Answer

Answer: d) LFT

QN3. _ is the duration by which an activity can be delayed without delaying the project
a) Slack
b) Total float
c) Free float
d) Independent float

Answer

Answer: b) Total float

QN4. _ is the time by which the completion of an activity can be delayed beyond its earliest finish time without affecting the earliest start time of a succeeding activity
a) Slack
b) Total float
c) Free float
d) Independent float

Answer

Answer: c) Free float

QN5. _ is activity oriented.
a) CPM
b) PERT
c) LP
d) None of the above

Answer

Answer: a) CPM

QN6. _ is event oriented.
a) CPM
b) PERT
c) LP
d) None of the above

Answer

Answer: b) PERT

QN7. PERT emphasis on _
a) Time
b) Activity
c) a) and b)
d) None of the above

Answer

Answer: a) Time

QN8. Full form of PERT is
a) Performance evaluation review technique
b) Programme Evaluation Review technique
c) Programme Evaluation Research Technique
d) None of these.

Answer

Answer: a) Performance evaluation review technique

QN9. _ is a scheme or design of something intended or device.
a) Programme
b) Project
c) Network
d) Float

Answer

Answer: c) Network

QN10. An activity which must be completed before one or more other activities start is known as _ activity.
a) Dummy
b)Predecessor
c) Successor
d) None of these

Answer

Answer: b)Predecessor

QN11. The event is commonly represented by _ in network diagram
a) Nodes
b) Arrow
c) Triangle
d) None of these

Answer

Answer: a) Nodes

QN12. _ is the disconnection of an activity before the completion of activities in a project network diagram.
a) Dangling
b) Looping
c) Dummy
d) None of the above

Answer

Answer: c) Dummy

QN13. _ is an activity oriented diagram.
a) CPM
b) PERT
c) Histogram
d) None of the above

Answer

Answer: a) CPM

QN14. _ is the duration by which an activity can be delayed without delaying the project.
a) Total float
b) Slack
c) Earliest event time
d) None of these

Answer

Answer: a) Total float

QN15. _ is the shortest possible time in which an activity can be delayed without delaying the project.
a) Pessimistic time estimate
b) Optimistic time estimate
c) Most likely time estimate
d) None of these

Answer

Answer: b) Optimistic time estimate

QN16. Which of the following is not a part of decision tree problem specification?
a) a list of alternatives
b) A list of possible state of nature
c) EVPI
d) Pay off associated with alternative/ state of nature combination.

Answer

Answer: c) EVPI

QN17. If a decision theory problem has 3 decision alternatives and 4 states of nature, the number of payoffs in that problem will bea) 3
b) 4
c) 12
d) 64

Answer

Answer: c) 12

QN18. In a decision theory problem under complete uncertainty, which one of the following approaches will not be possible?
a) Expected monetary value
b) Maxmin
c) Minimax
d)Hurwicz

Answer

Answer: a) Expected monetary value

QN19. For decision making under uncertainty, identify the decision rule that is appropriate for the optimist.
a) Laplace
b) Maximax
c) Minimax regret
d)Maxmin

Answer

Answer: b) Maximax

QN20. What decision-making condition must exist for the decision tree to be a valuable tool?
a) Certainty
b) Uncertainty
c) Risk
d) It does not matter, the tool is appropriate in all environments

Answer

Answer: c) Risk

QN21. Which of the following is (are) types of decision-making environments?
a) Decision making under uncertainty
b) Decision making under certainty
c) Decision making under risk
d) None of the above

Answer

Answer: b) Decision making under certainty

QN22. A good decision always implies that
a) Will obtain the best final results
b) Have used appropriate quantitative analysis.
c) Have considered all alternatives
d) Have followed a logical process.

Answer

Answer: d) Have followed a logical process.

QN23. All of the following are steps in the decision-making process EXCEPT
a) Define the problem
b) List alternatives
c) Identify the possible outcomes
d) Compute the posterior probabilities.

Answer

Answer: d) Compute the posterior probabilities.

QN24. The equally likely decision criteria is also known as
a) Bayes
b) Laplace
c) Minimax
d) Hurwicz

Answer

Answer: b) Laplace

QN25. Opportunity loss refers to
a) The expected value of a bad decision
b) The expected loss from a bad decision
c) The difference between actual pay off and the optimal pay off
d) The regret from not having made a decision

Answer

Answer: c) The difference between actual pay off and the optimal pay off

QN26. The criteria of expected monetary value is used for making decisions under
a) Certainty
b) Uncertainty
c) Risk
d) all of the above

Answer

Answer: d) all of the above

QN27. The maximax criteria is _
a) Optimistic
b) Neutral
c) Pessimistic
d) Can be any one of the above

Answer

Answer: c) Pessimistic

QN28. Which of the following might be viewed as an optimistic decision criterion?
a) Hurwicz criterion
b) Maximin
c) Maximax
d) Minimax

Answer

Answer: c) Maximax

QN29. The minimum EOL will always result in the same decision as
a) Minimax
b) Maximin
c) Maximum EMV
d) Maximax

Answer

Answer: c) Maximum EMV

QN30. Decision theory is concerned with
a) Methods of arriving at an optimal decision
b) Selecting optimal decision in sequential manner
c) Analysis of information that is available
d) All of the above

Answer

Answer: d) All of the above

QN31. Which of the following criterion is not used for decision making under uncertainty?
a) Maximin
b) Maximax
c) Minimax
d) Minimize expected loss

Answer

Answer: d) Minimize expected loss

QN32. The minimum expected opportunity loss is
a) Equal to EVPI
b) Minimum regret
c) Equal to EMV
d) Both (a) and (b)

Answer

Answer: d) Both (a) and (b)

QN33. The expected value of perfect information is equal to
a) EPPI – Minimum EMV
b) EPPI + Maximum EMV
c) Maximum EOL
d) None of the above

Answer

Answer: a) EPPI – Minimum EMV

QN34. The value of the coefficient of optimism is needed while using the criterion of
a) Equally likely
b) Maximin
c) Realism
d) Maximin

Answer

Answer: c) Realism

QN35. while using Hurwicz criterion, the coefficient of realism
a) Represents the degree of optimism
b) Represents the degree of pessimism
c) Is the probability of state of nature
d) None of the above

Answer

Answer: a) Represents the degree of optimism

QN36. The decision making criteria that should be used to achieve maximum long term pay off is
a) EOL
b) EMV
c) Hurwicz
d) Maximax

Answer

Answer: b) EMV

QN37. Game theory models are classified by the
a) Number of players
b) Sum of all payoff
c) Number of strategies
d) All of the above

Answer

Answer: d) All of the above

QN38. The objective of network analysis is to
a) Minimize total project duration
b) Minimize total project cost
c) Minimize production delays, interruption and conflicts
d) All of the above

Answer

Answer: a) Minimize total project duration

QN39. The initial solution of a transportation problem can be obtained by applying any known method. But the only condition is
a) The solution be optimal
b) The rim conditions are satisfied
c) The solution not be degenerate
d) All of the above

Answer

Answer: b) The rim conditions are satisfied

QN40. When total supply is equal to total demand in a transportation problem , the problem is said to be
a) Balanced
b) Unbalanced
c) Degenerate
d) None of the above

Answer

Answer: a) Balanced

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