25. Operations Research models in which some or all values of variables are random in nature are called _____
a. Physical
b. Symbolic
c. Deterministic
d. Probabilistic

1 Answer

Answer :

d. Probabilistic

Related questions

Description : Operations Research models in which values of all variables and all possible outcomes are known with certainty are called _____ a. Physical b. Symbolic c. Deterministic d. Probabilistic

Last Answer : c. Deterministic

Description : Operations Research techniques cannot be applied to _____ a. Managerial judgement b. Business initiatives c. Customer perceptions d. All of the above

Last Answer : c. Customer perceptions

Description : 13. Operations Research cannot give perfect _____ to problems a. Answers b. Solutions c. Both a & b d. Decisions

Last Answer : c. Both a & b

Description : 9. Operations Research has the characteristics that it is done by a team of _____ a. Scientists b. Mathematicians c. Academics d. All of the above

Last Answer : a. Scientists

Description : 5. Operations Research was known as an ability to win a war without really going into a _____ a. Battle Field b. Fighting c. War d. Both a & b

Last Answer : d. Both a & b

Description : The Term Operations Research was coined in the year _____ a. 1950 b. 1940 c. 1978 d. 1960

Last Answer : B. 1940

Description : Operations Research, which is a very powerful tool for _____ a. Research b. Decision-Making c. Operations d. None of the above

Last Answer : Decision-Making

Description : Probabilistic models are also called ........................... a. Deterministic models b. Dynamic models c. Stochastic models d. None of these

Last Answer : c. Stochastic models

Description : ......................... models involve more risks and uncertainties. a. Probabilistic b. Deterministic c. Both a and b d. None of these

Last Answer : a. Probabilistic

Description : In .................. models, everything is defined and the results are certain. a. Probabilistic b. Deterministic c. Both a and b d. None of these

Last Answer : b. Deterministic

Description : An assumption that implies that finite numbers of choices are available to a decision-maker and the decision variables do not assume negative values is known as _______ a. Certainty b. Continuity c. Finite choices d. None of the above

Last Answer : c. Finite choices

Description : Which variables are fictitious and cannot have any physical meaning? a. Optimal variable b. Decision variable c. Artificial variable d. None of the above

Last Answer : c. Artificial variable

Description : 26. Operations Research is a _________ a. Science b. Art c. Mathematics d. Both a & b

Last Answer : d. Both a & b

Description : . Operations Research involves _________ attacks of complex problems to arrive at the optimum solution a. Scientific b. Systematic c. Both a & b d. Statistical

Last Answer : c. Both a & b

Description : 16. Operations Research simply helps in improving the ______ of the solution but does not result in a perfect solution a. Quality b. Clarity c. Look d. None of the above

Last Answer : a. Quality

Description : . Operations Research techniques helps to find an ________ by taking into account all the factors a. Ultimate solution b. Alternate solution c. Optimum solution d. Maximise solution

Last Answer : c. Optimum solution

Description : 12. Operations Research involves various _______ to solve the problems a. Decisions b. Study c. Technique d. Applications

Last Answer : c. Technique

Description : Operations Research emphasizes on the overall approach to the system. This characteristic of Operations Research is often referred as a. System Orientation b. System Approach c. Interdisciplinary Team Approach d. None of the above

Last Answer : c. Interdisciplinary Team Approach

Description : 10. There is a great scope for ______ working as a team to solve problems of defence by using the Operations Research approach a. Economists b. Administrators c. Statisticians and Technicians d. All of the Above

Last Answer : d. All of the Above

Description : 8. Who defined Operations Research as an aid for the executive in marketing his decisions by providing him with the quantitative information based on the scientific method of analysis? a. C. Kitte b. H.M. Wagner c. E.L. Arnoff d. None of the above

Last Answer : a. C. Kitte

Description : 7. Who defined Operations Research as scientific approach to problem solving for executive management? a. E.L. Arnoff b. P.M.S. Blackett c. H.M. Wagner d. None of the above

Last Answer : c. H.M. Wagner

Description : 6. Who defined Operations Research as scientific method of providing executive departments with a quantitative basis for decisions regarding the operations under their control? a. Morse and Kimball (1946) b. P.M.S Blackett (1948) c. E.L. Arnoff and M.J. Netzorg d. None of the above

Last Answer : a. Morse and Kimball (1946)

Description : 4. This Innovative science of Operations Research was discovered during ________ a. Civil War b. World War I c. World War II d. Industrial Revolution

Last Answer : c. World War II

Description : 2. Who coined the term Operations Research? a. J.F. McCloskey b. F.N. Trefethen c. P.F. Adams d. Both a & b

Last Answer : a. J.F. McCloskey

Description : 42. _____ assumption means the prior knowledge of all the coefficients in the objective function , the coefficients of the constraints and the resource values a. Proportionality b. Certainty c. Finite choices d. Continuity

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Description : The primitives in probabilistic reasoning are random variables. a) True b) False

Last Answer : a) True

Description : 27. The mathematical model of an LP problem is important because a. It helps in converting the verbal description & numerical data into mathematical expression b. Decision-makers prefer to ... captures the relevant relationship among decision factors d. It enables the use of algebraic technique

Last Answer : a. It helps in converting the verbal description & numerical data into mathematical expression

Description : A basic solution which also satisfies the condition in which all basic variables are non-negative is called ___ a. Basic feasible solution b. Feasible solution c. Optimal solution d. None of the above

Last Answer : a. Basic feasible solution

Description : 65. Any feasible solution which optimizes (minimizes or maximizes) the objective function of the LPP is called as _______ a. Optimal solution b. Non-basic variables c. Solution d. Basic Feasible solution

Last Answer : a. Optimal solution

Description : In simplex method, we add _______ variables in the case of “=” a. Slack variable b. Surplus variable c. Artificial variable d. None of the above

Last Answer : c. Artificial variable

Description : All the constraints are expressed as equations and the right hand side of each constraint and all variables are non-negative is called_______ a. Canonical variable b. Canonical form c. Canonical solution d. Both a & b

Last Answer : b. Canonical form

Description : 40. Which of the following is a limitation associated with an LP model a. The relationship among decision variables is linear b. No guarantee to get integer valued solutions c. No considerations of effect of time & uncertainty on LP model d. All of the above

Last Answer : d. All of the above

Description : . Non-negativity condition in an LP model implies a. A positive coefficient of variables in objective function b. A positive coefficient of variables in any constraint c. Non-negative value of resources d. None of the above

Last Answer : d. None of the Above

Description : 33. Before formulating a formal L P model it is better to a. Express each constrain in words b. Express the objective function in words c. Verbally identify decision variables d. All of the above

Last Answer : d. All of the above

Description : 2. Non-Negativity condition is an important component of L P model because a. Variables value should remain under the control of the decision-maker b. Value of variables make sense & correspond to real-world problems c. Variables are interrelated in terms of limited resources d. None of the above

Last Answer : b. Value of variables make sense & correspond to real-world problems

Description : 30. The distinguishing feature of an LP model is a. Relationship among all variables is linear b. It has single objective function & constraints c. Value of decision variables is non-negative d. All of the above

Last Answer : a. Relationship among all variables is linear

Description : Is human thought deterministic or probabilistic?

Last Answer : answer:False dichotomy. Even if a series of events is probabilistic, there's still no room for agency' under the current understanding of Physics (yes; capital P). Therefore, the problem of ... by invoking quantum theory. We're still just along for the ride, except the ride is unpredictable.

Description : Which of the following statements is true? A. PERT is considered as a deterministic approach and CPM is a probabilis t ic techniques. B. PERT is considered as a probabilistic techniques ... and CPM are both probabilistic techniques. D. PERT and CPM are both considered as deterministic approachs

Last Answer : B. PERT is considered as a probabilistic techniques and CPM is considered as a deterministic approach

Description : In ……………… system the interaction between various subsystems cannot be defined with certainty A) Open System B) Closed System C) Deterministic System D) Probabilistic System

Last Answer : D) Probabilistic System

Description : Decision making under certainty refers to .............................. situation. a. Deterministic b. Probabilistic c. Competitive d. None of these

Last Answer : a. Deterministic

Description : An assignment problem is a special case of transportation problem, where a. Number of rows equals number of columns b. All rim conditions are 1 c. Values of each decision variable is either 0 or 1

Last Answer : D.variable is either 0 or 1

Description : . For __________ minimization, we take least value from each column and subtract it from all values of that column. a. Column b. Row c. Profit d. Cost

Last Answer : a. Column

Description : For __________ minimization, we take least value from each row and subtract it from all values of that row. a. Column b. Row c. Profit d. Cost

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Description : A set of values X1,X2……..Xn which satisfies the constraints of the LPP is called_______ a. Solution b. Variable c. Linearity d. None of the above

Last Answer : a. Solution

Description : 54. A constraint in an LP model becomes redundant because a. Two iso-profits may be parallel to each other b. The solution is unbounded c. This constraint is not satisfied by the solution values d. None of the above

Last Answer : d. None of the above

Description : In a game, the alternatives or courses of action available to each player are called _____ a. Options b. Choices c. Actions d. strategies

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Description : The extra row or column which is added to balance an assignment problem is called _____ a. Regret b. Epsilon c. Dummy d. extra

Last Answer : c. Dummy

Description : _____ is another method to solve a given LPP involving some artificial variable? a. Big M method b. Method of penalties c. Two-phase simplex method d. None of the above

Last Answer : a. Big M method

Description : Every combination of strategies determines an outcome known as _____ a. Regret b. Payoff c. Saddle point d. Profit matrix

Last Answer : b. Payoff

Description : Floats for critical activities will be always _____ a. One b. Zero c. Highest d. Same as duration of the activity

Last Answer : b. Zero