Exhibit 13.2 The Following Questions Refer to the Information and Output Below

question 31

Short Answer

Exhibit 13.2
The following questions refer to the information and output below.
A barber shop has one barber who can give 12 haircuts per hour. Customers arrive at a rate of 8 customers per hour. Customer inter-arrival times and service times are exponentially distributed. The following queuing analysis spreadsheet was developed from this information.
-Refer to Exhibit 13.2. Based on this report what percent of the time is the barber busy cutting hair?

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Definitions:

PLCs

Programmable Logic Controllers (PLCs) are specialized computers used in industrial and mechanical processes to monitor inputs and control outputs based on programmable logic stored in memory.

Continuous Task

In control systems and computing, a continuous task is one that runs continuously, processing and responding to input signals or data without interruption.

Periodic

Occurring or appearing at regular intervals of time.

Event-Based

Pertaining to systems, programming, or actions that are triggered or initiated by specific events or conditions rather than occurring in a continuous or time-based manner.