CMA Intermediate · Operations Management and Strategic Management · Simulation and Line Balancing
Which statement about using simulation for inventory and queuing problems is correct?
Simulation is useful when a system is too complex for analytical formulas, but its results are estimates that vary with the random numbers used. It does not guarantee an exact optimum and depends on assumed probability distributions for demand or arrivals.
- ASimulation gives the mathematically exact optimal solution every time
- BSimulation is useful when the system is too complex for analytical formulas, but results vary with the random numbers usedCorrect
- CSimulation cannot be used when demand follows a probability distribution
- DSimulation needs no assumption about probability distributions
Explanation
Simulation imitates a system using random numbers drawn from assumed probability distributions. It is used where analytical models are impractical, and results are estimates that depend on the random numbers and the number of trials, not exact optima.
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