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:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean.

Squared Deviation

A statistical measure showing the dispersion of data points. It represents the square of the difference between an observed value and the mean of the dataset.

Mean

The mathematical average of a set of numbers, calculated by adding them together and dividing by the number of terms.

Median

A statistical measure representing the middle value in a set of data when arranged in numerical order, effectively dividing the dataset into two halves.