'Customer arrivals' presentation slideshows

From Systems to Descriptive Models

From Systems to Descriptive Models. Chapter 2. What need to know. Modeling Graphical Notation for Queues Example Open workload Multiclass DB example Open v. closed Example Closed workload Example Mixed workload SLA (Server Level Agreement) Types of resources

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Capacity Planning in Services Industry

Capacity Planning in Services Industry. Matching Supply and Demand in Service Processes Performance Measures Causes of Waiting Economics of Waiting Management of Waiting Time The Sof-Optics Case. Make to stock vs. Make to Order. Made-to-stock operations (Chapters 6&7)

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Introduction

Introduction. Queuing is the study of waiting lines, or queues. The objective of queuing analysis is to design systems that enable organizations to perform optimally according to some criterion. Possible Criteria Maximum Profits. Desired Service Level. Introduction.

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1. State the null and alternative hypotheses.

Goodness of Fit Test. 1. State the null and alternative hypotheses. 2. Select a random sample and record observed frequency f i for the i th category ( k categories ) . Compute expected frequency e i for the i th category:. 4. Compute the value of the test statistic.

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IE3103: Intro to Supply Chain Modeling: Logistics

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Introduction to Queueing Theory

Introduction to Queueing Theory. A pioneer: Agner Krarup Erlang (1878-1929). Queueing theory - basics. Important queuing models with FIFO discipline The M/M/1 model The M/M/c model The M/M/c/K model (limited queuing capacity) The M/M/c/ ?/N model (limited calling population)

368 views • 14 slides