
subject in operations research that deals with the problem of providing adequate but economical service facilities involving unpredictable numbers ... [2 related articles]
Found on
http://www.britannica.com/eb/a-z/q/7

The study of the formation of lines or queues when the arrivals occur at random intervals.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

a theory that deals with providing a service on a waiting line, or queue, esp. when the demand for it is irregular and describable by probability distributions, as processing phone calls arriving at a telephone exchange or collecting highway tolls from drivers at tollbooths.
Found on
https://www.infoplease.com/dictionary/queuing-theory
No exact match found.