Exhibit 13-1A Grocery Store Manager Would Like to Use an Analytical

question 24

Essay

Exhibit 13-1A grocery store manager would like to use an analytical queueing model to study the lines of customers that form in front of the checkout stations in the store. During a period of time when business is steady, several store employees have gathered data on customer interarrival times, which are shown below.

-[Part 1] Refer to Exhibit 13-1. Is it reasonable to assume exponentially distributed interarrival times for the grocery store customers? If so, what is λ?

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Definitions:

Syntax

The set of rules, principles, and processes that govern the structure of sentences in a given language, especially the arrangement of words and phrases.

Sound

Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.

Syntax

The arrangement of words and phrases to create well-formed sentences in a language.

Linguistic Relativity

The hypothesis that the structure of a language affects its speakers' world view or cognition, and thus people's perceptions are relative to their spoken language.