Exhibit 13.1 The Following Questions Are Based on the Output Below

question 3

Multiple Choice

Exhibit 13.1
The following questions are based on the output below.
A store currently operates its service system with 1 operator. Arrivals follow a Poisson distribution and service times are exponentially distributed. The following spreadsheet has been developed for the system.
-A company has recorded the following list of service rates (customers/hour) for one of its servers. What is the mean service time for this server? ​
Customers / hour: 4, 4, 5, 6, 5, 4, 3, 4, 3, 5, 5, 6
​

• A) 0.22 min
• B) 1.11 min
• C) 4.5 min
• D) 13.3 min

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Definitions:

Used Equipment

Previously owned machinery or tools that are available for sale and use, often at a lower cost compared to new equipment.

Net Profit Margin Percentage

A financial ratio that indicates how much of each dollar of revenues is translated into profits, calculated by dividing net profit by revenue and multiplying by 100.

Net Income

The total earnings of a company after subtracting all expenses from its total revenues, indicative of its profitability.

Sales

The overall income produced through the sale of a company's products or services.