Four of the Most Widely Used Waiting Line Models-M/M/1 or A

question 122

Multiple Choice

Four of the most widely used waiting line models-M/M/1 or A, M/M/S or B, M/D/1 or C, and Limited population or D-all share three characteristics, which are

• A) normal arrivals, FIFO discipline, and normal service times.
• B) Poisson arrivals, FIFO discipline, and a single-service phase.
• C) Poisson arrivals, FIFO discipline, and exponential service times.
• D) Poisson arrivals, no queue discipline, and exponential service times.
• E) Poisson arrivals, long queue discipline, and multiple service times.

---

Definitions:

Farm Subsidies

Governmental grants provided to farmers to supplement their income, manage the supply of agricultural commodities, and influence the cost and supply of such commodities.

Agricultural Interests

Concerns or advantages related to the farming industry, including crop production, livestock management, and agricultural policy impacts.

Special-Interest Issue

An issue that generates substantial individual benefits to a small minority while imposing a small individual cost on many other citizens. In total, the net cost to the majority might either exceed or fall short of the net benefits to the special-interest group.

Crony Capitalism

A situation where the institutions of markets are maintained, but the allocation of resources, and the profit and loss of businesses, are determined by political decision-making rather than consumer purchases and market forces. To a large degree, the activities of business firms are directed and controlled by government spending and regulation. In turn, many of the business firms will use contributions and other forms of political support to compete for government favors.