There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

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Answer 1

Question

Chapter 17, Problem 14P

a)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

b)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SLACK method.

c)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SPT method.

d)

Summary Introduction

To identify: As per the calculated flow time and tardiness, recommend the best sequence among FCFS, SLACK and SPT.

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Sales of tablet computers at Marika Gonzalez's electronics store in Washington, D.C., over the past 10 weeks are shown in the table below: Week 1 2 3 4 5 6 7 8 9 10 Demand 21 21 27 38 25 30 35 24 25 30 a) The forecast for weeks 2 through 10 using exponential smoothing with a = 0.50 and a week 1 initial forecast of 21.0 are (round your responses to two decimal places): Week 1 2 3 4 5 6 7 8 9 10 Demand 21 21 27 38 25 30 35 24 25 30 Forecast 21.0 21 21 24 31 28 29 32 28 26.50 b) For the forecast developed using exponential smoothing (a = 0.50 and initial forecast 21.0), the MAD = |||||sales (round your response to two decimal places).

Sales of tablet computers at Marika Gonzalez's electronics store in Washington, D.C., over the past 10 weeks are shown in the table below: Week Demand 1 2 3 4 5 6 7 8 9 10 21 21 27 38 25 30 35 24 25 30 a) The forecast for weeks 2 through 10 using exponential smoothing with a = 0.50 and a week 1 initial forecast of 21.0 are (round your responses to two decimal places): Week 1 2 3 4 5 Demand 21 21 27 38 Forecast 21.0 ☐ G ☐ ☐ 6 7 25 30 35 ∞ ☐ 8 9 10 24 25 30

Each machine costs $3 Million. Building the room with all its attendant safety protection and other ancillary costs increases the spending by an additional $2.0 million dollars per MRI suite. Each machine can perform 2000 scans per year. Each reading of an MRI scan by a radiologist, along with other per-scan-related costs, is $500 per scan. The machine will last five years. Don’t worry about discount rates for this problem Graph the total costs over 5 years as a function of sales for 0-3000 patients annually. Hint: you may need to add a second MRI at some point. Suppose that you want to make a profit of $500 per scan at a target volume of 1000 patients per year, and you purchase only one machine. Superimpose the total revenue curve on top of the total cost curve in (1).

Answer 2

Question

Chapter 17, Problem 14P

a)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

b)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SLACK method.

c)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SPT method.

d)

Summary Introduction

To identify: As per the calculated flow time and tardiness, recommend the best sequence among FCFS, SLACK and SPT.

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Answer 3

Question

Chapter 17, Problem 14P

a)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

b)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SLACK method.

c)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SPT method.

d)

Summary Introduction

To identify: As per the calculated flow time and tardiness, recommend the best sequence among FCFS, SLACK and SPT.

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Answer 4

Question

Chapter 17, Problem 14P

a)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

b)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SLACK method.

c)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SPT method.

d)

Summary Introduction

To identify: As per the calculated flow time and tardiness, recommend the best sequence among FCFS, SLACK and SPT.

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Answer 5

Chapter 17, Problem 14P

a)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

b)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SLACK method.

c)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SPT method.

d)

Summary Introduction

To identify: As per the calculated flow time and tardiness, recommend the best sequence among FCFS, SLACK and SPT.

Answer 6

Chapter 17, Problem 14P

a)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

Answer 7

Chapter 17, Problem 14P

a)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

Answer 8

b)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SLACK method.

Answer 9

b)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SLACK method.

Answer 10

c)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SPT method.

Answer 11

c)

Summary Introduction

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SPT method.

Answer 12

d)

Summary Introduction

To identify: As per the calculated flow time and tardiness, recommend the best sequence among FCFS, SLACK and SPT.

Answer 13

d)

Summary Introduction

To identify: As per the calculated flow time and tardiness, recommend the best sequence among FCFS, SLACK and SPT.

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

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There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

Solution Summary: The author identifies four jobs that need to be processed by a person in the body shop and calculates the mean flow time and tardiness by the SLACK method.

Concept explainers

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by FCFS method.

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SLACK method.

To identify: There are four jobs that need to be processed by a person in the body shop. To calculate the mean flow time and mean tardiness by SPT method.

To identify: As per the calculated flow time and tardiness, recommend the best sequence among FCFS, SLACK and SPT.

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Chapter 17 Solutions