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:

Bronchogram

A radiographic image of the bronchi, usually obtained after the airways have been filled with a contrast medium, for diagnostic purposes.

Air Passageways

The routes throughout the respiratory system, including the nose, throat, windpipe, and lungs, through which air is inhaled and exhaled.

Radioactive Chemical

A substance that contains unstable atoms which release radiation as they decay.

PET Scan

Positron Emission Tomography, a sophisticated imaging technique that uses radioactive substances to visualize and measure changes in metabolic processes and in other physiological activities including blood flow, regional chemical composition, and absorption.