Question 1

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 2

The AOQL is the highest point in the plot of AOQ against the percentage of defectives in the lot.

Accepted Answer

A) True 
 B)False

Question 3

TABLE G.1 Cumulative Poisson Probabilities
  
-A single-sampling plan by attributes is needed for a purchased component.Table G.1 is appended to this exam.
Sample size = 80
Acceptance number (c)= 1
Acceptance quality level (AQL)= 0.02
Lot tolerance proportion defective (LTPD)= 0.06
Given the preceding information,draw the OC curve for this plan.

Accepted Answer

The answer of TABLE G.1 Cumulative Poisson Probabilities
  
-A...

Question 4

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: n1,n2,c1,c2. 
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: n1,n2,c1,c2.

Question 5

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

Accepted Answer

sequential

Question 6

What is the basic idea of incoming inspection? Why does a producer perform it?

Accepted Answer

The idea of incoming inspection is to en

Question 7

Rectified inspection occurs when all defective items in the lot are replaced with good items if the lot is rejected and any defective items in the samples are replaced if the lot is accepted.

Accepted Answer

A) True 
 B)False

Question 8

A double-sampling plan is usually less expensive than a single-sampling plan if the lot has a high number of defectives.

Accepted Answer

A) True 
 B)False

Question 9

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 10

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 11

If the sample size is increased and the acceptance level is unchanged,the OC curve will have a slope that is more negative.

Accepted Answer

A) True 
 B)False

Question 12

A sequential sampling plan generally lowers the ANI.

Accepted Answer

A) True 
 B)False

Question 13

A quality manager has established a sampling plan that calls for a sample size of 75 units from a shipment of 5000 pieces and an acceptance number of 2.The supplier has agreed to a contract that calls for an AQL of 0.02 and an LTPD of .04.What is the AOQ if the actual percentage of defectives in the lot is 2%? Table G.1 is appended to this exam.

Accepted Answer

A) less than 0.014 
B) between 0.014 and 0.018 
C) between 0.018 and 0.022 
D) greater than 0.022 
A) less than 0.014 
B) between 0.014 and 0.018 
C) between 0.018 and 0.022 
D) greater than 0.022

Question 14

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 G.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 α. 
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 α. 
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 15

A quality manager has established a sampling plan that calls for a sample size of 75 units and an acceptance number of 2.The supplier has agreed to a contract that calls for an AQL of 0.02 and an LTPD of .04.What is the AOQL? Table G.1 is appended to this exam.

Accepted Answer

A) less than 0.11 
B) between 0.11 and 0.14 
C) between 0.14 and 0.17 
D) greater than 0.17 
A) less than 0.11 
B) between 0.11 and 0.14 
C) between 0.14 and 0.17 
D) greater than 0.17

Question 16

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 17

The average outgoing quality (AOQ)is the:

Accepted Answer

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

Question 18

Acceptance sampling is an inspection procedure used to determine whether to accept or reject a specific quantity of material.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

A quality manager has established a sampling plan that calls for a sample size of 75 units and an acceptance number of 2.The supplier has agreed to a contract that calls for an AQL of 0.02 and an LTPD of .04.What is the consumer's risk? Table G.1 is appended to this exam.

Accepted Answer

A) less than 0.40 
B) between 0.40 and 0.44 
C) between 0.44 and 0.48 
D) greater than 0.48 
A) less than 0.40 
B) between 0.40 and 0.44 
C) between 0.44 and 0.48 
D) greater than 0.48

Exam 23: Acceptance Sampling Plans

Acceptable quality level can be defined as the:

The AOQL is the highest point in the plot of AOQ against the percentage of defectives in the lot.

Which of the following statements is TRUE?

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

What is the basic idea of incoming inspection? Why does a producer perform it?

Rectified inspection occurs when all defective items in the lot are replaced with good items if the lot is rejected and any defective items in the samples are replaced if the lot is accepted.

A double-sampling plan is usually less expensive than a single-sampling plan if the lot has a high number of defectives.

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

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

If the sample size is increased and the acceptance level is unchanged,the OC curve will have a slope that is more negative.

A sequential sampling plan generally lowers the ANI.

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 G.1 is appended to this exam.

A quality manager has established a sampling plan that calls for a sample size of 75 units and an acceptance number of 2.The supplier has agreed to a contract that calls for an AQL of 0.02 and an LTPD of .04.What is the AOQL? Table G.1 is appended to this exam.

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

The average outgoing quality (AOQ)is the:

Acceptance sampling is an inspection procedure used to determine whether to accept or reject a specific quantity of material.

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

A quality manager has established a sampling plan that calls for a sample size of 75 units and an acceptance number of 2.The supplier has agreed to a contract that calls for an AQL of 0.02 and an LTPD of .04.What is the consumer's risk? Table G.1 is appended to this exam.

Using Operations to Compete

Project Management

Process Strategy

Process Analysis

Quality and Performance

Capacity Planning

Constraint Management

Lean Systems

Supply Chain Inventory Management

Supply Chain Design

Supply Chain Location Decisions

Supply Chain Integration

Supply Chain Sustainability and Humanitarian Logistics

Forecasting

Operations Planning and Scheduling

Resource Planning

Decision Making

Waiting Line

Special Inventory Models

Linear Programming

Simulation

Financial Analysis

Measuring Output Rates

Learning Curve Analysis

Operations Scheduling

Filters