Exhibit 12.5 The Following Questions Use the Information Below

question 77

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.
-One reason to use queuing models in business is

• A) to trade-off the cost of providing service and the cost of customer dissatisfaction
• B) to maximize the number of service providers
• C) to minimize the cost of providing service
• D) all of the above

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Definitions:

Sign-In

The process of authenticating identity to gain access to a system or service by providing credentials, such as a username and password.

Malware

Short for 'malicious software', refers to any program or code designed to harm or exploit any programmable device, service, or network.

Deliberately

In a careful and unhurried manner, often implying intentionality.

Operations

The activities or tasks performed by a company, system, or process to achieve its objectives.