Exhibit 13.4 The Following Questions Refer to the Information and Output Below

question 81

Short Answer

Exhibit 13.4
The following questions refer to the information and output below.
A grocery store can serve an average of 360 customers per hour. The service times are exponentially distributed. The store has 4 checkout lines each of which serves 90 customers per hour. Customers arrive at the store at a Poisson rate of 240 customers per hour. The following queuing analysis spreadsheet was developed from this information.
-Refer to Exhibit 13.4. Based on this report how long does a customer wait before the checker begins serving them?

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Definitions:

Molding

The process of shaping a pliable raw material by using a rigid frame or model called a mold.

Assembly

The process of putting together various components or pieces to build a finished product.

Predetermined Overhead Rate

A rate calculated before the accounting period begins, used to estimate the cost of manufacturing overhead for a specific activity base.

Machine-Hours

An indicator of the time spent in production, calculating the duration in hours that machinery is active during the manufacturing cycle.