Deneme Sınavı Soruları

20 soru
Cevap anahtarı açık: çöz, sonucunu gör

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1
Which of the following is not one of the steps of the operations research approach?
2
1. Scarce source
2. Uncertainty
3. Information
4. Psychological factors
Which of the above are among the reasons for making decisions difficult or easy?
3
In decision making problems, decision branches are used to represent _________ and chance branches are used to show the states of _________.

Which of the following options complete the definition above ?
4
A decision maker who has to decide under uncertainty in a decision problem he faces thinks all events are equally likely. Which of the following methods should the decision maker use?
5
The probability multiplication in the denominator of Bayes' rule equality is called:
6

E1, E2, E3, E4, E5 show the events and A1, A2, A3 show the alternatives. The profit values of each event are given in the table above. Which is the most appropriate decision according to the Equally Likely Method?
7

E1, E2, E3 show the events and A1, A2, A3 show the alternatives. The profit values of each event are given in the table above. Which is the most appropriate decision according to the Equally Likely Method?
8
Which of the following is false according to the EMV (Expected Monetary Value) criterion?
9
Which one is correct about decision makers under uncertainty?
10
The method of decision making under uncertainty which indicates that all events occur equally likely if the probability of occurrence of events is unknown is called:
11
What are the decision situations in which the chance of occurrence of each state of nature is known or can be estimated called?
12
What is "expected regret" in decision making?
13
When the decision maker knows everything about the problem and outcomes of the events, what is the decision making environment called?
14
The difference between the expected value under certainty and the expected value under risk is called:
15
1. The modeling phase is the transformation of verbal description of the problem into a mathematical model under the linear programming assumptions.
2. Mathematical model is a system of equations and inequalities representing the objective and the constraints.
3. The decision to be derived from the model is related to quantifiable variables that are in control.
4. The variables of decision x₁, x₂, ... , x_n are called the parameters.
5. The constants (i.e. the coefficients and right-hand side values of the inequalities) are called the decision variables.
Which of the statements above about modeling with linear programming are correct?
16

E1, E2, E3 and E4 show the events and A1, A2, A3, A4 and A5 show the alternatives. The profit values of each event are given in the following table. Which is the most appropriate decision according to the Criterion of Pessimism?
17
Which of the following is false regarding Bayes' theorem?
18
Which of the followings are crucial for a basic decision making process?
1. Alternatives
2. Objective
3. Outcomes of the alternatives
4. Past decisions
5. Occurrence possibilities of the objective
19
In the minimization models, draw a line ________ to the objective function and_______ to the origin. This line should contain at least one point of the feasible region. Find the coordinates of this point by solving the equations of the drawn line and the boundary line(s) of the feasible region. Which option completes the rules above correctly?
20
Which of the below are not among the common characteristics of decision making?

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