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

question 17

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.
-A grocery clerk can serve 20 customers per hour on average and the service time follows an exponential distribution. What is the expected service time per customer?

---

Definitions:

Egocentrism

Piaget’s term for children’s inability to take another person’s point of view or perspective and to assume that others share the same feelings, knowledge, and physical view of the world.

Preoperational Reasoning

Piaget’s second stage of cognitive development, between about ages 2 and 6, characterized by advances in symbolic thought, but thought is not yet logical.

Piaget

A reference to Jean Piaget, a Swiss psychologist known for his pioneering work in child development and cognitive theory.

Cognitive Development

The process of growth and change in intellectual abilities, including thinking, reasoning, problem-solving, and understanding complex concepts.