Exhibit 12.5 The Following Questions Use the Information Below

question 6

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.
-The amount of time a customer spends with the server is referred to as

• A) system time.
• B) queue time.
• C) service time.
• D) served time.

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Definitions:

Buffer

A solution or substance that minimizes changes in pH by absorbing or releasing hydrogen ions.

Acidic

Describes substances with a pH less than 7, characterized by a higher concentration of hydrogen ions.

Neutralize

To render something harmless by applying an opposite force or effect, such as neutralizing an acid with a base.

Denature

The process by which a protein loses its three-dimensional structure due to external stress or compounds, affecting its functionality.