Question

Although it is generally the case that service systems have enough capacity, waiting lines result when __________ exceeds capacity for periods of time.

Answer 1

Demand

Step-by-step explanation:

In the case when the service systems contains sufficient capacity so the waiting lines would result the demand in excess of the capacity for the period of time

Therefore in the given case, the demand should be considered as it is relevant

hence, the answer is demand as it meets to the given situation