Question 1

________ is the risk that a lot with LTPD will be accepted-a type II error.

Accepted Answer

The answer of ________ is the risk that a lot...

Question 2

$$\begin{array} { | c | c | c | } 
\hline n & \begin{array} { c } 
\text { Producer's } \
\text { Risk } \
( p = \mathrm { AQL } )
\end{array} & \begin{array} { c } 
\text { Consumer's } \
\text { Risk } \
( p = \mathrm { LTPD } )
\end{array} \
\hline 60 & 0.122 & 0.126 \
80 & 0.191 & 0.048 \
100 & 0.264 & 0.017 \
120 & 0.332 & 0.006 \
\hline
\end{array}$$
-A quality manager has established a sampling plan that calls for a sample size of 200 units and an acceptance number of 3.The supplier has agreed to a contract that calls for an AQL of 0.01 and an LTPD of .03.What is the consumer's risk? Table I.1 is appended to this exam.

Accepted Answer

A)  Less than 0.14 
B)  Between 0.14 and 0.15 
C)  Between 0.15 and 0.16 
D)  Greater than 0.16 
A)  Less than 0.14 
B)  Between 0.14 and 0.15 
C)  Between 0.15 and 0.16 
D)  Greater than 0.16

Question 3

Which one of the following will increase the consumer's risk?

Accepted Answer

A)  Decrease sample size and hold constant the number of defective items in a sample. 
B)  Decrease the acceptable number of defective items in a sample and hold constant the sample size. 
C)  Increase the sample size and decrease the acceptable number of defective items in a sample. 
D)  Decrease the acceptable quality level and hold constant both sample size and the acceptable number of defective items in a sample. 
A)  Decrease sample size and hold constant the number of defective items in a sample. 
B)  Decrease the acceptable number of defective items in a sample and hold constant the sample size. 
C)  Increase the sample size and decrease the acceptable number of defective items in a sample. 
D)  Decrease the acceptable quality level and hold constant both sample size and the acceptable number of defective items in a sample.

Question 4

Use Table I.1 for the following question.What is the acceptance number of a single-sampling plan if n = 400,AQL = 0.002,and ? = 0.01?

Accepted Answer

A)  c = 0 
B)  c = 1 
C)  c = 2 
D)  c = 3 
A)  c = 0 
B)  c = 1 
C)  c = 2 
D)  c = 3

Question 5

As more firms initiate total quality management systems,the need for acceptance sampling will increase.

Accepted Answer

A) True 
 B)False

Question 6

Why is an operating-characteristic (OC)curve useful?

Accepted Answer

OC curves describe how well a

Question 7

The management of a company wishes to develop a new acceptance sampling plan that keeps acceptable quality level,lot tolerance proportion defective,and c constant.If the sample size (n)is increased,compared to the prior plan,which of the following is TRUE?

Accepted Answer

A)  α increases 
B)  α decreases 
C)  β increases 
D)  α and β increase 
A)  α increases 
B)  α decreases 
C)  β increases 
D)  α and β increase

Question 8

A double-sampling plan has n? = 50,n? = 100,c? = 2,and c? = 4.Suppose on the first sample,one defective item was discovered.What should be done?

Accepted Answer

A)  Reject the entire lot. 
B)  Take a second sample of 100 units. 
C)  Accept the entire lot. 
D)  Repair the defective units, and accept the entire lot. 
A)  Reject the entire lot. 
B)  Take a second sample of 100 units. 
C)  Accept the entire lot. 
D)  Repair the defective units, and accept the entire lot.

Question 9

$$\begin{array} { | c | c | c | } 
\hline n & \begin{array} { c } 
\text { Producer's } \
\text { Risk } \
( p = \mathrm { AQL } )
\end{array} & \begin{array} { c } 
\text { Consumer's } \
\text { Risk } \
( p = \mathrm { LTPD } )
\end{array} \
\hline 60 & 0.122 & 0.126 \
80 & 0.191 & 0.048 \
100 & 0.264 & 0.017 \
120 & 0.332 & 0.006 \
\hline
\end{array}$$
-A single-sampling plan by attributes is needed for a purchased component.Table I.1 is above.
Sample size = 100
Acceptance number (c)= 2
Acceptance quality level (AQL)= 0.01
Lot tolerance proportion defective (LTPD)= 0.04
Given the preceding information:
a.What is the producer's risk,??
b.What is the consumer's risk,??
c.Draw the OC curve for this plan.

Accepted Answer

a.? = .080
b.? = .238
c. \[\begin{array}

Question 10

Relative to an acceptance sampling plan,what is the net effect of increasing n while holding c constant?

Accepted Answer

The producer's risk

Question 11

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 β?

Accepted Answer

A)  Less than or equal to 0.05 
B)  Greater than 0.05 but less than or equal to 0.10 
C)  Greater than 0.10 but less than or equal to 0.15 
D)  Greater than 0.15 
A)  Less than or equal to 0.05 
B)  Greater than 0.05 but less than or equal to 0.10 
C)  Greater than 0.10 but less than or equal to 0.15 
D)  Greater than 0.15

Question 12

Discuss the two incorrect conclusions that can be made when using acceptance sampling.

Accepted Answer

The two incorrect conclusions are to rej

Question 13

An operating characteristic curve is a plot of the probability of accepting the lot against the proportion defectives.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is an example of a type I error?

Accepted Answer

A)  Buying a carton of eggs at the store and discovering that one was broken 
B)  Releasing a guilty defendant 
C)  Returning your computer for warranty repair when the fault was caused by user error 
D)  Passing defective materials from a supplier into your processes to keep your workers busy 
A)  Buying a carton of eggs at the store and discovering that one was broken 
B)  Releasing a guilty defendant 
C)  Returning your computer for warranty repair when the fault was caused by user error 
D)  Passing defective materials from a supplier into your processes to keep your workers busy

Question 15

The average outgoing quality (AOQ)is

Accepted Answer

A)  the proportion of defectives that the sampling plan will allow to pass. 
B)  the proportion of non-defectives that the sampling plan will allow to pass. 
C)  the highest proportion of defectives that the sampling plan will allow to pass. 
D)  the lowest proportion of defectives that the sampling plan will allow to pass. 
A)  the proportion of defectives that the sampling plan will allow to pass. 
B)  the proportion of non-defectives that the sampling plan will allow to pass. 
C)  the highest proportion of defectives that the sampling plan will allow to pass. 
D)  the lowest proportion of defectives that the sampling plan will allow to pass.

Question 16

For a given AQL and LTPD,which one of the following statements about the single-sampling plan is TRUE?

Accepted Answer

A)  If c stays constant but n is increased, both the producer's risk and the consumer's risk will increase. 
B)  If c stays constant but n is increased, both the producer's risk and the consumer's risk will decrease. 
C)  If n stays constant but c is increased, the producer's risk will decrease and the consumer's risk will increase. 
D)  If n stays constant but c is increased, the producer's risk will increase and the consumer's risk will decrease. 
A)  If c stays constant but n is increased, both the producer's risk and the consumer's risk will increase. 
B)  If c stays constant but n is increased, both the producer's risk and the consumer's risk will decrease. 
C)  If n stays constant but c is increased, the producer's risk will decrease and the consumer's risk will increase. 
D)  If n stays constant but c is increased, the producer's risk will increase and the consumer's risk will decrease.

Question 17

Which one of the following alternatives will reduce the consumer's risk for a given AQL and LTPD?

Accepted Answer

A)  Reduce n and keep c constant. 
B)  Increase n and keep c constant. 
C)  Reduce n and increase c. 
D)  Increase beta. 
A)  Reduce n and keep c constant. 
B)  Increase n and keep c constant. 
C)  Reduce n and increase c. 
D)  Increase beta.

Question 18

Replacing all defective items in a rejected lot and all defective items in a sample with good items is called ________ inspection.

Accepted Answer

The answer of Replacing all defective items in a rejected...

Question 19

A(n)________ is when the consumer randomly selects items from the lot and inspects them one by one.

Accepted Answer

sequential

Question 20

Which of the following is an example of a type II error?

Accepted Answer

A)  Convicting an innocent defendant 
B)  Returning your "dead" stereo for warranty repair when its malfunction was caused by it not being plugged in 
C)  Halting production to adjust a machine when your process was actually in control 
D)  Eating food laden with salmonella 
A)  Convicting an innocent defendant 
B)  Returning your "dead" stereo for warranty repair when its malfunction was caused by it not being plugged in 
C)  Halting production to adjust a machine when your process was actually in control 
D)  Eating food laden with salmonella

________ is the risk that a lot with LTPD will be accepted-a type II error.

Which one of the following will increase the consumer's risk?

Use Table I.1 for the following question.What is the acceptance number of a single-sampling plan if n = 400,AQL = 0.002,and ? = 0.01?

As more firms initiate total quality management systems,the need for acceptance sampling will increase.

Why is an operating-characteristic (OC)curve useful?

The management of a company wishes to develop a new acceptance sampling plan that keeps acceptable quality level,lot tolerance proportion defective,and c constant.If the sample size (n)is increased,compared to the prior plan,which of the following is TRUE?

A double-sampling plan has n? = 50,n? = 100,c? = 2,and c? = 4.Suppose on the first sample,one defective item was discovered.What should be done?

Relative to an acceptance sampling plan,what is the net effect of increasing n while holding c constant?

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 β?

Discuss the two incorrect conclusions that can be made when using acceptance sampling.

An operating characteristic curve is a plot of the probability of accepting the lot against the proportion defectives.

Which of the following is an example of a type I error?

The average outgoing quality (AOQ)is

For a given AQL and LTPD,which one of the following statements about the single-sampling plan is TRUE?

Which one of the following alternatives will reduce the consumer's risk for a given AQL and LTPD?

Replacing all defective items in a rejected lot and all defective items in a sample with good items is called ________ inspection.

A(n)________ is when the consumer randomly selects items from the lot and inspects them one by one.

Which of the following is an example of a type II error?

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

________ is the risk that a lot with LTPD will be accepted-a type II error.

Which one of the following will increase the consumer's risk?

Use Table I.1 for the following question.What is the acceptance number of a single-sampling plan if n = 400,AQL = 0.002,and ? = 0.01?

As more firms initiate total quality management systems,the need for acceptance sampling will increase.

Why is an operating-characteristic (OC)curve useful?

The management of a company wishes to develop a new acceptance sampling plan that keeps acceptable quality level,lot tolerance proportion defective,and c constant.If the sample size (n)is increased,compared to the prior plan,which of the following is TRUE?

A double-sampling plan has n? = 50,n? = 100,c? = 2,and c? = 4.Suppose on the first sample,one defective item was discovered.What should be done?

Relative to an acceptance sampling plan,what is the net effect of increasing n while holding c constant?

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 β?

Discuss the two incorrect conclusions that can be made when using acceptance sampling.

An operating characteristic curve is a plot of the probability of accepting the lot against the proportion defectives.

Which of the following is an example of a type I error?

The average outgoing quality (AOQ)is

For a given AQL and LTPD,which one of the following statements about the single-sampling plan is TRUE?

Which one of the following alternatives will reduce the consumer's risk for a given AQL and LTPD?

Replacing all defective items in a rejected lot and all defective items in a sample with good items is called ________ inspection.

A(n)________ is when the consumer randomly selects items from the lot and inspects them one by one.

Which of the following is an example of a type II error?

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