A Service Counter Employs Two Servers

question 19

Multiple Choice

A service counter employs two servers. On average a server requires 8 minutes to process a customer and service times follow an exponential distribution. Customers arrive at the counter at the rate of 12 per hour according to a Poisson distribution. The service rate per server for this system is

• A) 3.75 customers per hour.
• B) 7.75 customers per hour.
• C) 8 customers per hour.
• D) 16 customers per hour.

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Definitions:

Aggregate Supply

The total supply of goods and services that firms in an economy are willing to sell at a given overall price level and in a given time period.

Aggregate Demand

The combined appetite for every good and service across an economy, pegged at a general price level during an established time period.

Climatic Changes

Significant and lasting changes in weather patterns over periods ranging from decades to millions of years, often attributed to natural and human activities.

Adverse Supply Shock

An unexpected event that suddenly decreases the supply of a product or commodity, leading to increased prices and a decrease in the equilibrium quantity.