Exhibit 12.5 The Following Questions Use the Information Below

question 47

Multiple Choice

Exhibit 12.5
The following questions use the information below.
The owner of Sal's Italian Restaurant wants to study the growth of his business using simulation. He is interested in simulating the number of customers and the amount ordered by customers each month. He currently serves 1000 customers per month and feels this can vary uniformly between a decrease of as much as 5% and an increase of up to 9%. The bill for each customer is a normally distributed random variable with a mean of $20 and a standard deviation of $5. The average order has been increasing steadily over the years and the owner expects the mean order will increase by 2% per month. You have created the following spreadsheet to simulate the problem.
-A barber shop has one barber, a Poisson arrival rate and exponentially distributed service times. What is the Kendall notation for this system?

• A) M/M/E
• B) M/M/1
• C) M/E/1
• D) P/M/1

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Definitions:

Price Mechanism

The way in which prices rise and fall to balance supply and demand, allocating resources efficiently in a market economy.

Competing Firms

are companies operating in the same industry or market that offer similar products or services to consumers.

Government Regulate

The activities undertaken by government authorities to control or oversee specific industries, practices, or market activities usually to ensure public welfare or fair market competition.

Economic System

The structure of methods and principles a society uses to produce and distribute goods and services.