Question 1

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 2

A single-sampling plan by attributes is needed for a purchased component. Given the following information, what is the consumer's risk? Table G.1 is appended to this exam. Sample size = 125
Acceptance number (c) = 4
Acceptance quality level (AQL) = 0.02
Lot tolerance proportion defective (LTPD) = 0.07

Accepted Answer

A)  .057 
B)  .061 
C)  .065 
D)  .069 
A)  .057 
B)  .061 
C)  .065 
D)  .069

Question 3

A single-sampling plan by attributes is needed for a purchased component. Given the following information, what is the consumer's risk? Table G.1 is appended to this exam. Sample size = 100
Acceptance number (c) = 1
Acceptance quality level (AQL) = 0.02
Lot tolerance proportion defective (LTPD) = 0.07

Accepted Answer

A)  .003 
B)  .004 
C)  .005 
D)  .006 
A)  .003 
B)  .004 
C)  .005 
D)  .006

Question 4

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 5

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

Accepted Answer

A) True 
 B)False

Question 6

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 A single-sampling plan by attributes is needed...

Question 7

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 8

A single-sampling plan by attributes is needed for a purchased component. Given the following information, what is the consumer's risk? Table G.1 is appended to this exam. Sample size = 100
Acceptance number (c) = 1
Acceptance quality level (AQL) = 0.01
Lot tolerance proportion defective (LTPD) = 0.05

Accepted Answer

A)  .028 
B)  .033 
C)  .037 
D)  .041 
A)  .028 
B)  .033 
C)  .037 
D)  .041

Question 9

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

Accepted Answer

The two incorrect conclusions are to rej

Question 10

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 11

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

Accepted Answer

The answer of ________ is an inspection procedure used to...

Question 12

A quality manager has established a sampling plan that calls for a sample size of 75 units from a shipment of 5,000 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 13

Use Table G.1 for the following question. What is the acceptance number of a single-sampling plan if n = 300, LPTD = 0.02, and = 0.15?

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 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

A double-sampling plan has n₁ = 50, n₂ = 100, c₁ = 2, and c₂ = 4. Suppose the first sample revealed two defectives. What should be done?

Accepted Answer

A)  Reject the entire lot. 
B)  Take a second sampling of 100 units. 
C)  Accept the entire lot. 
D)  Repeat the tests on the first sample. 
A)  Reject the entire lot. 
B)  Take a second sampling of 100 units. 
C)  Accept the entire lot. 
D)  Repeat the tests on the first sample.

Question 16

This OC curve represents a sampling plan developed for a lot size of 1,000, a sample size of 15, and an acceptance number of 2. The probability of acceptance for each of the first six points appears next to the plotted point. What incoming fraction defective is associated with the average outgoing quality limit?

Accepted Answer

A)  0.10 
B)  0.15 
C)  0.20 
D)  0.25 
A)  0.10 
B)  0.15 
C)  0.20 
D)  0.25

Question 17

A single-sampling plan by attributes is needed for a purchased component. Given the following information, what is the producer's risk? Table G.1 is appended to this exam. Sample size = 75
Acceptance number (c) = 3
Acceptance quality level (AQL) = 0.01
Lot tolerance proportion defective (LTPD) = 0.04

Accepted Answer

A)  .007 
B)  .008 
C)  .009 
D)  .010 
A)  .007 
B)  .008 
C)  .009 
D)  .010

Question 18

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 AOQ curve and determine the AOQL.

Accepted Answer

The AOQL i

Question 19

The AOQL is the highest point in the plot of AOQ over all possible values of the proportion defective.

Accepted Answer

A) True 
 B)False

Question 20

This OC curve represents a sampling plan developed for a lot size of 500, a sample size of 15, and an acceptance number of 2. The probability of acceptance for each of the first six points appears next to the plotted point. What is the average outgoing quality for an incoming fraction defective of 0.15?

Accepted Answer

A)  less than 0.06 
B)  greater than or equal to 0.06 but less than 0.07 
C)  greater than or equal to 0.07 but less than 0.08 
D)  greater than or equal to 0.08 
A)  less than 0.06 
B)  greater than or equal to 0.06 but less than 0.07 
C)  greater than or equal to 0.07 but less than 0.08 
D)  greater than or equal to 0.08

The average outgoing quality (AOQ) is:

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

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

Acceptable quality level can be defined as the:

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

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.

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

Use Table G.1 for the following question. What is the acceptance number of a single-sampling plan if n = 300, LPTD = 0.02, and = 0.15?

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

A double-sampling plan has n₁ = 50, n₂ = 100, c₁ = 2, and c₂ = 4. Suppose the first sample revealed two defectives. What should be done?

The AOQL is the highest point in the plot of AOQ over all possible values of the proportion defective.

Using Operations to Create Value

Process Strategy and Analysis

Quality and Performance

Capacity Planning

Constraint Management

Lean Systems

Project Management

Forecasting

Inventory Management

Operations Planning and Scheduling

Resource Planning

Supply Chain Design

Supply Chain Logistic Networks

Supply Chain Integration

Supply Chain Sustainability

Supplement A Decision Making

Supplement J Operations Scheduling

Supplement K Layout

Supplement B Waiting Lines

Supplement C Special Inventory Models

Supplement D Linear Programming

Supplement E Simulation

Supplement F Financial Analysis

Supplement H Measuring Output Rates

Supplement I Learning Curve Analysis

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Exam 24: Supplement G Acceptance Sampling Plans

The average outgoing quality (AOQ) is:

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

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

Acceptable quality level can be defined as the:

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

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.

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

Use Table G.1 for the following question. What is the acceptance number of a single-sampling plan if n = 300, LPTD = 0.02, and = 0.15?

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

A double-sampling plan has n₁ = 50, n₂ = 100, c₁ = 2, and c₂ = 4. Suppose the first sample revealed two defectives. What should be done?

The AOQL is the highest point in the plot of AOQ over all possible values of the proportion defective.

Using Operations to Create Value

Process Strategy and Analysis

Quality and Performance

Capacity Planning

Constraint Management

Lean Systems

Project Management

Forecasting

Inventory Management

Operations Planning and Scheduling

Resource Planning

Supply Chain Design

Supply Chain Logistic Networks

Supply Chain Integration

Supply Chain Sustainability

Supplement A Decision Making

Supplement J Operations Scheduling

Supplement K Layout

Supplement B Waiting Lines

Supplement C Special Inventory Models

Supplement D Linear Programming

Supplement E Simulation

Supplement F Financial Analysis

Supplement H Measuring Output Rates

Supplement I Learning Curve Analysis

Filters