A University Bookstore Opens a Booth and Buys Back Used

question 16

Essay

A university bookstore opens a booth and buys back used books during the final exam week. From 9 to 12 in the morning, students arrive at the rate of 35 per hour, on average. The bookstore employee can service an average of 40 students per hour.
a. What is the average length of the line?
b. What is the average time (in minutes) a student spends in the bookstore (system)?
c. What is the chance that the bookstore employee will be idle?

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Definitions:

Supply Management

The active administration and oversight of the supply chain activities to maximize value and ensure the efficient provision of products and services.

Inventory Control

The systematic regulation of the supply, storage, and accessibility of items to ensure an adequate quantity is available for production or sale, avoiding excess or shortage.

Coordinating Delivery

The process of managing and organizing the transportation of goods from the supplier to the customer in an efficient and timely manner.

Hazardous Waste

Waste materials that are dangerous or potentially harmful to human health or the environment, requiring special disposal methods.