Exhibit 13.1 The Following Questions Are Based on the Output Below

question 1

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.
-If a company adds an additional identical server to its M/M/1 system, making an M/M/2 system, what happens to a customer's average service time?

• A) increases
• B) decreases
• C) it is unchanged
• D) depends on the arrival rate

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Definitions:

Weed Populations

Groups of unwanted plants that compete with cultivated plants for resources, often in agricultural settings or natural environments.

Gene Duplication

A process by which a region of DNA containing a gene is copied within an organism's genome, leading to genetic diversity.

Gallflies

A group of insects known for their ability to induce gall formation on plants, where they then live and feed.

Intermediate Gall Sizes

Refers to the medium range of sizes for galls, which are abnormal growths on plants caused by various organisms.