
1) Customer experience
Found on
https://www.crosswordclues.com/clue/queueing-theory

Queueing theory is the mathematical study of waiting lines, or queues. In queueing theory a model is constructed so that queue lengths and waiting times can be predicted. Queueing theory is generally considered a branch of operations research because the results are often used when making business decisions about the resources needed to provide a ...
Found on
http://en.wikipedia.org/wiki/Queueing_theory
No exact match found.