Statıstıcs II (ENG)
Ünite Sınavı Soruları
- 20 soru
- Soru metinleri açık; şıklar ve cevap anahtarı uygulamada
- 1
In decision making, _____________ are the outcomes on which the decision maker has little or no control.
- 2
The payoff values for decision alternatives : there are 5 states of nature and minimum payoff values for 6 decision alternatives are I) 61.150, II) 90.125, III) 20.575, IV) 70.225, V) 40.350, VI) 14.750. The decision maker is pessimistic. Which decision alternative is choosen?
- 3
For a company, 3 different states of nature are given as S1, S2 and S3 with possibilities 0.4, 0.5 and 0.1 respectively. The alternative actions on the other hand are given as A1, A2, and A3. What will be the best action provides the highest expected payoff and what will be the expected payoff given that action is taken; if the payoff matrix is given as:

- 4
The payoff values for decision alternatives : there are 5 states of nature and the profit values for the first decision alternative are 6, 7, 4, 9, 8. The decision maker is pessimistic. Which payoff value is taken from the first decision alternative?
- 5
Which of the following statements is not true regarding making a decision?
- 6
According to which criterion a decision maker choose that course of action which minimizes the minimum possible pay – offs?
- 7
The payoff values for decision alternatives : there are 5 states of nature and the cost value for the first decision alternative is 6 according to optimist and 5 according to pessimist. If coefficient of oprimism is 0.2, what is payoff value for the first decision alternative?
- 8
The payoff values for decision alternatives : there are 5 states of nature and the profit value for the first decision alternative is 15 according to optimist and 12 according to pessimist. If coefficient of optimism is 0.6, what is payoff value for the first decision alternative?
- 9
A decision alternative has 2 and 4 as payoff values and the probabilities of the associated states of nature are 0.25 and 0.75 respectively. What is the expected monetary value of this decision alternative?
- 10
Which of the followings is the first step in decision making process?
- 11
A decision alternative has 80 and 30 as payoff values and the probabilities of the associated states of nature are 0.60 and 0.40 respectively. What is the expected monetary value of this decision alternative?
- 12
Which of the following consequences most probably occurs if the probability values are obtained from an outside firm?
- 13
For Ahmet going work by either bus or his own car are examples of .......
- 14

What is the expected monetary value of this profit based payoff matrix?
- 15

What is the value of minimin criterion for this profit based payoff matrix?
- 16
In which decision making criterion The decision maker tries to minimize the damage since the overall approach is to look for the best among the worst payoff values?
- 17
Answer the questions 7-8 according to following information.
A company has 5 different alternative actions denoted by A1, A2,..A5 under 3 possible states of nature, which are denoted by S1, S2 and S3. The pay off matrix for each action and state of nature is given as:

What will be the best action under maximax criterion?
- 18
The payoff values for decision alternatives : there are 5 states of nature and the cost value for the first decision alternative is 5 according to optimist and 6 according to pessimist. If coefficient of oprimism is 0.4, what is payoff value for the first decision alternative?
- 19
The payoff values for decision alternatives : there are 6 states of nature and the cost values for the first decision alternative are 960, 710, 450, 610, 430, 580. The decision maker is optimistic. Which payoff value is taken from the first decision alternative?
- 20
Which of the followings happen if the payoff matrix is based on costs?