In Queuing Problems, Which of the Following Probability Distributions Is

question 123

Multiple Choice

In queuing problems, which of the following probability distributions is typically used to describe the time to perform the service?

• A) binomial
• B) normal
• C) Poisson
• D) negative exponential
• E) lognormal

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Definitions:

Median

The central figure in an arranged sequence of values, splitting the collection of data into two equal parts.

Magnitudes

Measures or levels of size, volume, amount, or extent of physical quantities or statistical values, often used in comparisons.

Variance

A statistical measure of the dispersion or spread of data points in a data set, indicating how far each data point in the set is from the mean.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the count of numbers.