Question 1

Which of the following statements is TRUE?

Accepted Answer

A)  Sequential-sampling plans are preferred to single-sampling plans because the average number of items inspected is generally lower. 
B)  With a sequential-sampling plan, each time an item is inspected, a decision is made to accept or reject a lot. 
C)  With a sequential-sampling plan, sampling continues until the lot is rejected. 
D)  Sequential-sampling plans are defined by four parameters: n?, n?, c?, c?. 
A)  Sequential-sampling plans are preferred to single-sampling plans because the average number of items inspected is generally lower. 
B)  With a sequential-sampling plan, each time an item is inspected, a decision is made to accept or reject a lot. 
C)  With a sequential-sampling plan, sampling continues until the lot is rejected. 
D)  Sequential-sampling plans are defined by four parameters: n?, n?, c?, c?.

Question 2

A sequential sampling plan generally lowers the ANI.

Accepted Answer

A) True 
 B)False

Question 3

A manufacturer wants a sampling plan in which AQL = 0.02,LPTD = 0.12,? = 0.05,and ? = 0.10.Which of the following values for n and c best satisfy these specifications? Table I.1 is appended to this exam.

Accepted Answer

A)  n = 54, c = 3 
B)  n = 100, c = 2 
C)  n = 200, c = 1 
D)  n = 162, c = 0 
A)  n = 54, c = 3 
B)  n = 100, c = 2 
C)  n = 200, c = 1 
D)  n = 162, c = 0

Question 4

The average outgoing quality (AOQ)is

Accepted Answer

A)  the average number of good units produced per hour. 
B)  the expected proportion of defects a sampling plan will allow. 
C)  the level of quality desired by the customer. 
D)  the worst level of quality tolerated by the consumer. 
A)  the average number of good units produced per hour. 
B)  the expected proportion of defects a sampling plan will allow. 
C)  the level of quality desired by the customer. 
D)  the worst level of quality tolerated by the consumer.

Question 5

A double-sampling plan has n? = 50,n? = 100,c? = 2,and c? = 4.Suppose on the first sample,five defectives were discovered.How many total items will be inspected before a decision is reached?

Accepted Answer

A)  50 
B)  100 
C)  150 
D)  This cannot be determined with the information provided. 
A)  50 
B)  100 
C)  150 
D)  This cannot be determined with the information provided.

Question 6

$$\begin{array} { | c | c | c | } 
\hline n & \begin{array} { c } 
\text { Producer's } \
\text { Risk } \
( p = \mathrm { AQL } )
\end{array} & \begin{array} { c } 
\text { Consumer's } \
\text { Risk } \
( p = \mathrm { LTPD } )
\end{array} \
\hline 60 & 0.122 & 0.126 \
80 & 0.191 & 0.048 \
100 & 0.264 & 0.017 \
120 & 0.332 & 0.006 \
\hline
\end{array}$$
-A quality manager has established a sampling plan that calls for a sample size of 100 units and an acceptance number of 2.The supplier has agreed to a contract that calls for an AQL of 0.01 and an LTPD of .05.Which of the following statements is TRUE? Table I.1 is appended to this exam.

Accepted Answer

A)  Lowering the acceptance number to 1 will raise the probability of a type II error. 
B)  Increasing the sample size will increase ?. 
C)  Raising the AQL to 0.02 will lower the chance of a type I error. 
D)  Reducing the LTPD to 0.04 will reduce the chance of a type II error. 
A)  Lowering the acceptance number to 1 will raise the probability of a type II error. 
B)  Increasing the sample size will increase ?. 
C)  Raising the AQL to 0.02 will lower the chance of a type I error. 
D)  Reducing the LTPD to 0.04 will reduce the chance of a type II error.

Question 7

The distance between 1.0 and where the AQL intersects the OC curve is the value ? (Beta).

Accepted Answer

A) True 
 B)False

Question 8

A sample of 100 items is randomly selected from a shipment of incoming materials.AQL and LTPD have been established at 0.01 and 0.07,respectively.When four or more defective items are found in a sample,the shipment is rejected.Table I.1 is appended to this exam.What is the value of α?

Accepted Answer

A)  Less than or equal to 0.04 
B)  Greater than 0.04 but less than or equal to 0.06 
C)  Greater than 0.06 but less than or equal to 0.08 
D)  Greater than 0.08 
A)  Less than or equal to 0.04 
B)  Greater than 0.04 but less than or equal to 0.06 
C)  Greater than 0.06 but less than or equal to 0.08 
D)  Greater than 0.08

Question 9

A small ________ can be disregarded in AOQ calculations involving an extremely large lot size.

Accepted Answer

The answer of A small ________ can be disregarded in...

Question 10

Acceptable quality level can be defined as the

Accepted Answer

A)  quality level desired by the consumer. 
B)  worst quality level the consumer can tolerate. 
C)  probability of rejecting a good lot (i.e., when a lot is, in fact, acceptable to the consumer). 
D)  probability of accepting a bad lot (i.e., when a lot is, in fact, not acceptable to the consumer). 
A)  quality level desired by the consumer. 
B)  worst quality level the consumer can tolerate. 
C)  probability of rejecting a good lot (i.e., when a lot is, in fact, acceptable to the consumer). 
D)  probability of accepting a bad lot (i.e., when a lot is, in fact, not acceptable to the consumer).

Question 11

Increasing c while holding n constant decreases the producer's risk and increases the consumer's risk.

Accepted Answer

A) True 
 B)False

Which of the following statements is TRUE?

A sequential sampling plan generally lowers the ANI.

A manufacturer wants a sampling plan in which AQL = 0.02,LPTD = 0.12,? = 0.05,and ? = 0.10.Which of the following values for n and c best satisfy these specifications? Table I.1 is appended to this exam.

The average outgoing quality (AOQ)is

A double-sampling plan has n? = 50,n? = 100,c? = 2,and c? = 4.Suppose on the first sample,five defectives were discovered.How many total items will be inspected before a decision is reached?

The distance between 1.0 and where the AQL intersects the OC curve is the value ? (Beta).

A sample of 100 items is randomly selected from a shipment of incoming materials.AQL and LTPD have been established at 0.01 and 0.07,respectively.When four or more defective items are found in a sample,the shipment is rejected.Table I.1 is appended to this exam.What is the value of α?

A small ________ can be disregarded in AOQ calculations involving an extremely large lot size.

Acceptable quality level can be defined as the

Increasing c while holding n constant decreases the producer's risk and increases the consumer's risk.

Creating Customer Value through Operations

Supply Chain Management

Process Configuration

Capacity

Inventory Management

Quality and Process Improvement

Lean Systems

Managing Projects

Location and Layout

Managing Demand and Forecasting

Operations Planning and Scheduling

Resource Planning

Decision Making

Financial Analysis

Work Measurement

Learning Curve Analysis

Computer-Integrated Manufacturing

Simulation

Special Inventory Models

Linear Programming

Waiting Lines

Filters

Exam 18: Acceptance Sampling Plans

Which of the following statements is TRUE?

A sequential sampling plan generally lowers the ANI.

A manufacturer wants a sampling plan in which AQL = 0.02,LPTD = 0.12,? = 0.05,and ? = 0.10.Which of the following values for n and c best satisfy these specifications? Table I.1 is appended to this exam.

The average outgoing quality (AOQ)is

A double-sampling plan has n? = 50,n? = 100,c? = 2,and c? = 4.Suppose on the first sample,five defectives were discovered.How many total items will be inspected before a decision is reached?

The distance between 1.0 and where the AQL intersects the OC curve is the value ? (Beta).

A sample of 100 items is randomly selected from a shipment of incoming materials.AQL and LTPD have been established at 0.01 and 0.07,respectively.When four or more defective items are found in a sample,the shipment is rejected.Table I.1 is appended to this exam.What is the value of α?

A small ________ can be disregarded in AOQ calculations involving an extremely large lot size.

Acceptable quality level can be defined as the

Increasing c while holding n constant decreases the producer's risk and increases the consumer's risk.

Creating Customer Value through Operations

Supply Chain Management

Process Configuration

Capacity

Inventory Management

Quality and Process Improvement

Lean Systems

Managing Projects

Location and Layout

Managing Demand and Forecasting

Operations Planning and Scheduling

Resource Planning

Decision Making

Financial Analysis

Work Measurement

Learning Curve Analysis

Computer-Integrated Manufacturing

Simulation

Special Inventory Models

Linear Programming

Waiting Lines

Filters