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

question 5

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 3] Refer to Exhibit 13-1. Again assuming an exponential distribution with the parameter λ you obtained in Part 2, what is the probability that a customer interarrival time will be more than 2 minutes, but less than 5 minutes?

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Definitions:

Flooding

A behavior therapy based on classical conditioning and used to treat phobias by exposing clients to the feared object or event (or asking them to imagine it vividly) for an extended period, until their anxiety decreases.

Time-out

A disciplinary technique that involves placing a child in a designated area for a short period to encourage reflection on inappropriate behavior.

Disruptive Classroom Behavior

Any student actions that interrupt the educational process, including but not limited to talking out of turn, inattention, or defiance.

Stimulus Elimination

The process of removing or reducing a stimulus that triggers an unwanted response or behavior.