Isom exam

1. 1When using a graphical solution procedure, the region bounded by the set of constraints is called the

   1. Asolution
   2. Bfeasible region
   3. Cinfeasible region
   4. Dmaximum profit region
   5. Enone of the above
2. 2In an LP problem, at least one corner point must be an optimal solution if an optimal solution exists.

   1. ATrue
   2. BFalse
3. 3A graphical method should only be used to solve an LP problem when

   1. Athere are only two constraints
   2. Bthere are more than two constraints
   3. Cthere are only two variables
   4. Dthere are more than two variables
4. 4In solving a linear program, no feasible solution exists. To resolve this problem we might

   1. Aadd another variable
   2. Badd another constraint
   3. Cremove or relax a constraint
   4. Dtry a different computer program
5. 5A feasible solution to an LP problem

   1. Amust satisfy all of the problem's constraints simultaneously
   2. Bneed not satisfy all of the constaints, only some of them
   3. Cmust be a corner point of the feasible region
   4. Dmust give the maximum possible profit
6. 6Linear programming can be used to select effective media mixes, allocate fixed or limited budgets across media, and maximize audience exposure.

   1. Atrue
   2. Bfalse
7. 7The selection of specific investments from among a wide variety of alternatives is the type of LP problem known as

   1. Athe product mix problem
   2. Bthe investment banker problem
   3. Cthe portfolio selection problem
   4. Dthe wall street problem
   5. Enone of the above
8. 8Simulation is a technique usually reserved for studying only the simplest and most straightforward of problems

   1. ATrue
   2. Bfalse
9. 9Simulation typically requires a familiarity with statistics to evaluate the results

   1. Atrue
   2. Bfalse
10. 10The verification process involves making sure that

    1. Athe model adequately represents the real-world system
    2. Bthe model is internally consistent and logical
    3. Cthe correct random numbers are used
    4. Denough trial runs are simulated

11. 11The validation process involves making sure that

    1. Athe model adequately represents the real-world system
    2. Bthe model is internally consistent and logical
    3. Cthe correct random numbers are used
    4. Denough trial runs are simulated
12. 12A meteorologist was simulating the number of days that rain would occur in a month. The random number interval from 01 to 30 was used to indicate that rain occurred on a particular day, and the interval 31-00 indicated that rain did not occur. What is the probability that rain did occur?

    1. A0.30
    2. B0.31
    3. C1.00
    4. D0.70
13. 13Simulation is best thought of as a technique to

    1. Agive concrete numerical answers
    2. Bincrease understanding of a problem
    3. Cprovide rapid solutions to relatively simple problems
    4. Dprovide optimal solutions to complex problems
14. 14When simulating the Monte Carlo experiment, the average simulated demand over the long run should approximate the

    1. Areal demand
    2. Bexpected demand
    3. Csample demand
    4. Ddaily demand
15. 15The idea behind the simulation is to

    1. Aimitate a real-world situation
    2. Bstudy the properties and operating characteristics of a real-world situation
    3. Cdraw conclusions and make action decisions based on simulation results
    4. Dall of the above
16. 16What is the optimum solution to this problem (X,Y)?

    

    1. A(0,0)
    2. B(50,0)
    3. C(0,100)
    4. D(400,0)
    5. ENone of the above
17. 17The feasible corner points are (48,84), (0,120), (0,0), (90,0). What is the maximum possible
    value for the objective function?

    

    1. AA) 1032
    2. B1200
    3. C360
    4. D1600
    5. ENone of the above
18. 18A widely used mathematical programming technique designed to help
    managers and decision making relative to resource allocation is called

    1. AA) linear programming
    2. Bcomputer programming
    3. Cconstraint programming
    4. Dgoal programming
    5. ENone of the above
19. 19The simultaneous equation method is

    1. Aan alternative to the corner point method.
    2. Buseful only in minimization methods.
    3. Can algebraic means for solving the intersection of two or more
       constraint equations.
    4. Duseful only when more than two product variables exist in a
       product mix problem.
    5. ENone of the above
20. 20Typical resources of an organization include

    1. Amachinery usage.
    2. Blabor volume
    3. Cwarehouse space utilization
    4. Draw material usage
    5. EAll of the above
21. 21Sensitivity analysis may also be called

    1. Apost-optimality analysis.
    2. Bparametric programming
    3. Coptimality analysis
    4. Dall of the above
    5. ENone of the above
22. 22If the addition of a constraint to a linear programming problem does not change
    the solution, the constraint is said to be

    1. Aunbounded.
    2. Bnonnegative
    3. Cinfeasible
    4. Dredundant
    5. Ebounded
23. 23Infeasibility in a linear programming problem occurs when

    1. Athere is an infinite solution.
    2. Ba constraint is redundant.
    3. Cmore than one solution is optimal.
    4. Dthe feasible region is unbounded.
    5. Ethere is no solution that satisfies all the constraints given.
24. 24Simulation of a business or process is generally performed by
    building a mathematical model to represent the process or system.

    1. ATrue
    2. BFalse
25. 25One of the major advantages of simulation is "time compression," i.e.,
    the ability to study in a relatively short period, activities that would, in
    the reality, take place over a period of days, months, or even years.

    1. ATrue
    2. BFalse
26. 26One disadvantage of simulation is that it does not allow for "what-if?"
    types of questions.

    1. ATrue
    2. BFalse
27. 27What is the probability of selecting any random number from a two
    digit table?

    1. A0.001
    2. B0.01
    3. C0.10
    4. D0.02
    5. ENot enough info provided
28. 28The process of comparing a model to the real system that it
    represents to make sure it is accurate is called

    1. Avalidation.
    2. Bverification
    3. Csimulation
    4. Dexperimentation
    5. ENone of the above
29. 29According to the above table, what is the cumulative probability of 2 breakdowns?

    

    1. A0.35
    2. B0.5
    3. C0.85
    4. D0.15
    5. E0.2
30. 30According to the above table, what is the probability of at least one breakdown?

    

    1. A0.2
    2. B0.3
    3. C0.5
    4. D0.8
    5. E0.85
31. 31According to the above table, if a random number of 00 is drawn, what would the simulated number of breakdowns be?

    

    1. A0
    2. B1
    3. C2
    4. D3
    5. ENot enough info
32. 32The process of determining that the computer model is internally
    consistent and following the logic of the conceptual model is called

    1. Avalidation.
    2. Bverification
    3. Csimulation
    4. Dexperimentation
    5. Enone of the above
33. 33Which of the following is not considered one of the 5 steps of Monte
    Carlo Simulation?

    1. Aestablishing probability distributions for important input variables
    2. Bgenerating random number
    3. Cbuilding a cumulative probability distribution for each input variable
    4. Destablishing an objective function
    5. Esimulating a series of trials
34. 34 If = 23 ounces, σ = 0.4 ounces, n = 16, and z = 1, what will be the UCL
    and LCL values?

    1. A21.8 to 24.2 ounces
    2. B23 ounces
    3. C22.70 to 23.30 ounces
    4. D22.25 to 23.75 ounces
    5. E22.90 to 23.10 ounces
35. 35Simulation is best thought of as a technique to

    1. AGive concrete numerical answers
    2. BIncrease understanding of a problem
    3. CProvide rapid solutions to relatively simple problems
    4. DProvide optimal solutions to complex problems
36. 36Which of the following is an advantage of simulation?

    1. AIt will always find the optimal solution to a problem
    2. BIt is always relatively simple and inexpensive
    3. CThe results are usually transferable to other problems
    4. DIt allows time compression
37. 37The process of comparing a model to the real system that it
    represents to make sure it is accurate is called

    1. Avalidation.
    2. Bverification
    3. Csimulation
    4. Dexperimentation
    5. ENone of the above
38. 38A _______ chart is a graphical representation of process data over
    time.

    1. Adecomposition
    2. Bsmoothing
    3. Ccontrol
    4. Dregression
    5. Esimulation
39. 39The _________ is a measure of the mean (average).

    1. AX-bar chart
    2. Br chart
    3. Cp chart
    4. Dc chart
    5. Em chart

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Test sobre Isom exam , creado por Anne Muise el 29/04/2019.

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Anne Muise

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Creado el 29 abr 2019 · actualizado el 29 abr 2019

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