Production and Operations Analysis, Seventh Edition
Production and Operations Analysis, Seventh Edition
7th Edition
ISBN: 9781478623069
Author: Steven Nahmias, Tava Lennon Olsen
Publisher: Waveland Press, Inc.
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Chapter 9.9, Problem 23P

a.

Summary Introduction

Interpretation: The expected numbers of jobs which are in queue with steady status along with number of jobs in the system have to be computed.

Concept Introduction:

FCFS basis- Normally, there is a process in attending the jobs or, customers. FCFS basis means attending a job or customer on First come first serve basis. In other words, the job/customer which/who comes first is attended first.

B.

Summary Introduction

Interpretation: The expected flow time along with the time spent in a queue with steady status have to be computed.

Concept Introduction:

Flow time: The time spent in a business process right from beginning to end is called the flow time. It is also called total processing time.

C.

Summary Introduction

Interpretation: The probability about the system being empty needs to be computed.

Concept Introduction:

Probability: Probability is the chance of an event occurring. Number of favorable outcomes must be divided by total number of possible outcomes to get the probability factor.

D.

Summary Introduction

Interpretation: The probability about the queue being empty needs to be computed.

Concept Introduction:

Probability: Probability is the chance of an event occurring. Number of favorable outcomes must be divided by total number of possible outcomes to get the probability factor.

e.

Summary Introduction

Interpretation: The probability about the flow time exceeding 10 minutes needs to be computed.

Concept Introduction:

Probability: Probability is the chance of an event occurring. Number of favorable outcomes must be divided by total number of possible outcomes to get the probability factor.

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