Four of the Most Widely Used Waiting Line Models-M/M/1 or A

question 20

Multiple Choice

Four of the most widely used waiting line models-M/M/1 or A, M/M/S or B, M/D/1 or C, and Limited population or D-all share three characteristics, which are

• A) normal arrivals, FIFO discipline, and normal service times
• B) Poisson arrivals, FIFO discipline, and a single-service phase
• C) Poisson arrivals, FIFO discipline, and exponential service times
• D) Poisson arrivals, no queue discipline, and exponential service times
• E) none of these

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Definitions:

Assumption of Normality

The presumption that the data being analyzed is drawn from a normally distributed population, which is a common requirement for many statistical tests.

Distribution Shape

Describes the overall appearance of the data's frequency distribution, including characteristics like symmetry, skewness, and kurtosis.

Descriptive Statistics

Statistics that summarize, describe, and analyze a set of data, providing insights into its central tendency, variability, and distribution.

Assumption of Normality

The presumption that the data in a dataset is normally distributed, which is a common precondition for many statistical tests.