Question 1

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

Accepted Answer

sequential...

Question 2

n Producer’s  Risk (p=AQL)  Consumer’s  Risk (p=LTPD) 600.1220.126800.1910.0481000.2640.0171200.3320.006\begin{array} { | c | c | c | } \hline n & \begin{array} { c } \text { Producer&#x27;s } \\text { Risk } \( p = \mathrm { AQL } ) \end{array} & \begin{array} { c } \text { Consumer&#x27;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}n6080100120​ Producer’s  Risk (p=AQL) ​0.1220.1910.2640.332​ Consumer’s  Risk (p=LTPD) ​0.1260.0480.0170.006​​ 
-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 E) All of the above
F) A) and B)

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.E) C) and D)
F) None of the above

Question 4

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.E) A) and D)
F) None of the above

Question 5

________ 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 6

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 7

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 0.15E) A) and D)
F) B) and D)

Question 8

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 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

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 busyE) None of the above
F) All of the above

Question 11

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 = 3E) All of the above
F) C) and D)

Question 12

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

Accepted Answer

OC curves describe how well a ...

Question 13

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

Accepted Answer

The two incorrect conclusions are to rej...

Question 14

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.E) A) and B)
F) A) and C)

Question 15

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 salmonellaE) A) and D)
F) A) and B)

Question 16

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 E) A) and B)
F) All of the above

Question 17

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.E) B) and C)
F) C) and D)

Question 18

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.E) None of the above
F) A) and B)

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

The producer's risk ...

Exam 18: Acceptance Sampling Plans

Correct Answer
verified
a.? = .080
b.? = .238
c. \[\begin{array} ...
View Answer

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified
OC curves describe how well a ...
View Answer

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?

Correct Answer
verified

The average outgoing quality (AOQ) is

Correct Answer
verified

Correct Answer
verified

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?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified
The two incorrect conclusions are to rej...
View Answer

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

Correct Answer
verified

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?

Correct Answer
verified

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

Correct Answer
verified
The producer's risk ...
View Answer

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

Correct Answer
verified

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

Correct Answer
verified

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?

Correct Answer
verified

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

Correct Answer
verified
sequential...
View Answer

Exam 18: Acceptance Sampling Plans

Correct Answerverified a.? = .080b.? = .238c. \[\begin{array} ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedOC curves describe how well a ...View AnswerShow Answer

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?

Correct AnswerverifiedShow Answer

The average outgoing quality (AOQ) is

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedThe two incorrect conclusions are to rej...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedThe producer's risk ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedsequential...View AnswerShow Answer

Correct Answer
verified
a.? = .080
b.? = .238
c. \[\begin{array} ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
OC curves describe how well a ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The two incorrect conclusions are to rej...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The producer's risk ...
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
sequential...
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