Given the Figure below, represents a single server queue. That is a G/G/1/N/K queuing system with (N23, K23) Answer the next three questions: 400 + 4) The average number of customers in the system. A. 10.0 B. 5.0 C. 0.5 D. 1.4 E. 2.0 5) The average number of customers in the Queue A 3.0 B. 5.0 C. 1.4 D. 0.5 E. 1.0
Given the Figure below, represents a single server queue. That is a G/G/1/N/K queuing system with (N23, K23) Answer the next three questions: 400 + 4) The average number of customers in the system. A. 10.0 B. 5.0 C. 0.5 D. 1.4 E. 2.0 5) The average number of customers in the Queue A 3.0 B. 5.0 C. 1.4 D. 0.5 E. 1.0
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:### Understanding Single Server Queue Systems
#### Queue System Overview
The diagram shown illustrates a single server queue system, specifically a G/G/1/N/K queuing system where \(N>3\) and \(K>3\). This type of system consists of:
- **G/G/1**: General arrival and service time distribution with a single server.
- **N**: Represents the maximum number of customers that can be in the system.
- **K**: Represents the capacity of the system.
#### Graph Analysis
The graph depicts the number of customers in the system over a period of time:
- **X-axis (t)**: Time intervals from 0 to 10.
- **Y-axis (N(t))**: Number of customers in the system.
The graph exhibits a step-like pattern, indicating periods where the number of customers remains constant, followed by sudden changes (either increases or decreases) at specific intervals.
Key Observations:
- At \(t = 0\), the system starts with 1 customer.
- The number of customers varies between 1 and 3 throughout the time intervals.
- There are notable time points where the number of customers increases to 3, then decreases back to 1, showing patterns typical of queue dynamics (e.g., arrivals and departures).
#### Problem Statements and Multiple-Choice Questions
1. **Average Number of Customers in the System**
What is the average number of customers in the system?
Options:
- A. 10.0
- B. 5.0
- C. 0.5
- D. 1.4
- E. 2.0
2. **Average Number of Customers in the Queue**
What is the average number of customers in the queue?
Options:
- A. 3.0
- B. 5.0
- C. 1.4
- D. 0.5
- E. 1.0
#### Explanation:
- **Average Number of Customers in the System**: To find the average, consider the values indicated in the graph and the amount of time the system spends at each level of occupancy. Calculate the mean of these values.
- **Average Number of Customers in the Queue**: Similarly, review the periods the system spends with different numbers of customers waiting in the queue and compute the average.
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