Operations Management
Operations Management
14th Edition
ISBN: 9781260238891
Author: Stevenson
Publisher: MCG
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Chapter 10, Problem 5P

a)

Summary Introduction

To determine: The fraction defective in each sample.

Introduction: Quality is a measure of excellence or a state of being free from deficiencies, defects and important variations. It is obtained by consistent and strict commitment to certain standards to attain uniformity of a product to satisfy consumers’ requirement.

b)

Summary Introduction

To determine: The estimation for fraction defective when true fraction defective for the process is unknown.

Introduction: Quality is a measure of excellence or a state of being free from deficiencies, defects and important variations. It is obtained by consistent and strict commitment to certain standards to attain uniformity of a product to satisfy consumers’ requirement.

c)

Summary Introduction

To determine: The estimate of mean and standard deviation of the sampling distribution of fraction defective for samples for the size.

Introduction:

Control chart:

It is a graph used to analyze the process change over a time period. A control chart has a upper control limit, and lower control which are used plot the time order.

d)

Summary Introduction

To determine: The control limits that would give an alpha risk of 0.03 for the process.

Introduction:

Control chart:

It is a graph used to analyze the process change over a time period. A control chart has a upper control limit, and lower control which are used plot the time order.

e)

Summary Introduction

To determine: The alpha risks that control limits 0.47 and 0.003 will provide.

Introduction:

Control chart:

It is a graph used to analyze the process change over a time period. A control chart has a upper control limit, and lower control which are used plot the time order.

f)

Summary Introduction

To determine: Whether the process is in control when using 0.047 and 0.003.

Introduction:

Control chart:

It is a graph used to analyze the process change over a time period. A control chart has an upper control limit, and lower control which are used plot the time order.

g)

Summary Introduction

To determine: The mean and standard deviation of the sampling distribution.

Introduction:

Control chart:

It is a graph used to analyze the process change over a time period. A control chart has a upper control limit, and lower control which are used plot the time order.

h)

Summary Introduction

To construct: A control chart using two sigma control limits and check whether the process is in control.

Introduction:

Control chart:

It is a graph used to analyze the process change over a time period. A control chart has a upper control limit, and lower control which are used plot the time order.

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