The best sequence for various rules.

Question

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Answer 1

Question

Chapter 15, Problem 25P

a)

Summary Introduction

To determine: The best sequence for various rules.

b)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the FCFS scheduling.

c)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for EDD schedule.

d)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the SPT schedule.

e)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the LPT schedule.

f)

Summary Introduction

To explain: The best decision rule based on average completion time.

g)

Summary Introduction

To explain: The best decision rule based on average lateness.

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Kamauf Custom Glass, Inc., manufactures custom windows primarily for homes and churches. Small repair jobsmay take a few hours, but larger jobs may take hundreds ofhours. How to schedule the jobs is a continuing issue. The schedulerhas decided to see what insight can be gained by examiningsome common sequencing rules, namely FCFS, EDD, SPT, andLPT, on the criteria of average completion (flow) time, averagelateness, and average number of jobs in the system. Her sampleis the six jobs on the scheduler's desk Monday morning. Assumethat all jobs on the scheduler's desk arrived today (day 100, whichis a workday) in the order shown below. The estimated times tocomplete the jobs and their due dates are noted. a) Sequence the jobs according to the following decision rules:FCFS, EDD, SPT, and LPT.b) For the FCFS sequence, compute the average completion(flow) t ime, average lateness, and average number of…

Using the FCFS rule for scheduling, the sequence is 1-2-3 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery) : hours (enter your response as a whole number). = G Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits. Times Taken for Different Activities (hours) Cut and Sew 3 5 6 Suit 1 2 7 3 Deliver 4 2 ∞ N 8 Assume that orders for suits have been listed in the above table in the order in which they were received.

Answer 2

Question

Chapter 15, Problem 25P

a)

Summary Introduction

To determine: The best sequence for various rules.

b)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the FCFS scheduling.

c)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for EDD schedule.

d)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the SPT schedule.

e)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the LPT schedule.

f)

Summary Introduction

To explain: The best decision rule based on average completion time.

g)

Summary Introduction

To explain: The best decision rule based on average lateness.

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Answer 3

Question

Chapter 15, Problem 25P

a)

Summary Introduction

To determine: The best sequence for various rules.

b)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the FCFS scheduling.

c)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for EDD schedule.

d)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the SPT schedule.

e)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the LPT schedule.

f)

Summary Introduction

To explain: The best decision rule based on average completion time.

g)

Summary Introduction

To explain: The best decision rule based on average lateness.

Expert Solution & Answer

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Answer 4

Question

Chapter 15, Problem 25P

a)

Summary Introduction

To determine: The best sequence for various rules.

b)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the FCFS scheduling.

c)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for EDD schedule.

d)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the SPT schedule.

e)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the LPT schedule.

f)

Summary Introduction

To explain: The best decision rule based on average completion time.

g)

Summary Introduction

To explain: The best decision rule based on average lateness.

Expert Solution & Answer

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Answer 5

Chapter 15, Problem 25P

a)

Summary Introduction

To determine: The best sequence for various rules.

b)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the FCFS scheduling.

c)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for EDD schedule.

d)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the SPT schedule.

e)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the LPT schedule.

f)

Summary Introduction

To explain: The best decision rule based on average completion time.

g)

Summary Introduction

To explain: The best decision rule based on average lateness.

Answer 6

Chapter 15, Problem 25P

a)

Summary Introduction

To determine: The best sequence for various rules.

Answer 7

Chapter 15, Problem 25P

a)

Summary Introduction

To determine: The best sequence for various rules.

Answer 8

b)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the FCFS scheduling.

Answer 9

b)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the FCFS scheduling.

Answer 10

c)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for EDD schedule.

Answer 11

c)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for EDD schedule.

Answer 12

d)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the SPT schedule.

Answer 13

d)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the SPT schedule.

Answer 14

e)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the LPT schedule.

Answer 15

e)

Summary Introduction

To calculate: The average completion time, average job lateness and the average number of jobs for the LPT schedule.

Answer 16

f)

Summary Introduction

To explain: The best decision rule based on average completion time.

Answer 17

f)

Summary Introduction

To explain: The best decision rule based on average completion time.

Answer 18

g)

Summary Introduction

To explain: The best decision rule based on average lateness.

Answer 19

g)

Summary Introduction

To explain: The best decision rule based on average lateness.

Answer 20

Expert Solution & Answer

Answer 21

Expert Solution & Answer

Answer 22

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Answer 23

Ch. 15 - Prob. 1ED Ch. 15 - Prob. 1DQ Ch. 15 - Prob. 2DQ Ch. 15 - Prob. 3DQ Ch. 15 - Prob. 4DQ Ch. 15 - Prob. 5DQ Ch. 15 - Prob. 6DQ Ch. 15 - Prob. 7DQ Ch. 15 - Prob. 8DQ Ch. 15 - Prob. 9DQ

The best sequence for various rules.

Solution Summary: The author explains the best decision rule based on average completion time.

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To determine: The best sequence for various rules.

To calculate: The average completion time, average job lateness and the average number of jobs for the FCFS scheduling.

To calculate: The average completion time, average job lateness and the average number of jobs for EDD schedule.

To calculate: The average completion time, average job lateness and the average number of jobs for the SPT schedule.

To calculate: The average completion time, average job lateness and the average number of jobs for the LPT schedule.

To explain: The best decision rule based on average completion time.

To explain: The best decision rule based on average lateness.

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Chapter 15 Solutions