Question 1

If a lot,or batch,is "rejected" during acceptance sampling,the lot will usually be thrown away.

Accepted Answer

A) True 
 B)False

Question 2

The Quality Manager for Graphics,Inc.is concerned about the quality of the lot of several thousand posters which her company printed this week and is now preparing to ship.If the cost of replacing a defective poster once it has been shipped is $10.00,while the cost of complete 100% inspection prior to shipment is $.50 per poster,at what point is she indifferent between complete inspection or shipment without inspection?

Accepted Answer

A)  5% 
B)  10% 
C)  12% 
D)  20% 
E)  25% 
A)  5% 
B)  10% 
C)  12% 
D)  20% 
E)  25%

Question 3

The Quality Manager for Microelectronics,Inc.is concerned about the quality of the batch of several thousand IC's (integrated circuits)which his company is about to ship.If the indifference point between complete inspection and shipment without inspection is 9% defectives,and he decides to sample 40 IC's (n = 40),what is the maximum number of sample defectives (c)for which this batch would be accepted for shipment without inspection?

Accepted Answer

A)  0 defectives 
B)  1 defective 
C)  2 defectives 
D)  3 defectives 
E)  4 defectives 
A)  0 defectives 
B)  1 defective 
C)  2 defectives 
D)  3 defectives 
E)  4 defectives

Question 4

Inspection both before and after production involves acceptance sampling procedures.

Accepted Answer

A) True 
 B)False

Question 5

A Type II (beta)error occurs when:

Accepted Answer

A)  a bad lot is accepted. 
B)  a good lot is rejected. 
C)  a bad lot is rejected. 
D)  a good lot is accepted. 
E)  none of the choices. 
A)  a bad lot is accepted. 
B)  a good lot is rejected. 
C)  a bad lot is rejected. 
D)  a good lot is accepted. 
E)  none of the choices.

Question 6

A manufacturer purchases large quantities of metal brackets from several suppliers.The brackets are shipped in lots of 8,000 each.Random samples of 40 brackets are taken from each lot,and the lot is rejected if any defectives are discovered.Rejected lots are subjected to 100 percent inspection,and any defectives are replaced with good brackets.Determine the average outgoing quality limit for this sampling plan.

Accepted Answer

The answer of A manufacturer purchases large quantities of metal...

Question 7

Given the following acceptance sampling data for a lot of several thousand units of a finished good:
   If this lot were 5% defective,what type error would be possible?
 For an acceptance sampling plan with c = 2,what would be the risk of this error?

Accepted Answer

Type I err

Question 8

The Quality Manager for Microelectronics,Inc.is concerned about the quality of the batch of several thousand IC's (integrated circuits)which his company is about to ship.If the cost of replacing a defective IC once it has been shipped is $5.00,while the cost of complete (100%)inspection prior to shipment is $.20 each,at what point is he indifferent between complete inspection or shipment without inspection?

Accepted Answer

A)  0% defectives 
B)  4% defectives 
C)  5% defectives 
D)  9% defectives 
E)  22% defectives 
A)  0% defectives 
B)  4% defectives 
C)  5% defectives 
D)  9% defectives 
E)  22% defectives

Question 9

A Quality Inspector for Alpha-Beta Co.is concerned about the quality of the batch of several thousand Gizmos which his company produced this week and is preparing to ship.If he uses an acceptance sampling plan of n = 5 and c = 2,what is the probability that,if this batch is 40% defective,it will be rejected and receive 100% inspection prior to shipment?

Accepted Answer

A)  0.1270 
B)  0.2730 
C)  0.3174 
D)  0.6826 
E)  0.7270 
A)  0.1270 
B)  0.2730 
C)  0.3174 
D)  0.6826 
E)  0.7270

Question 10

Given the following acceptance sampling data for a lot of several thousand units of a finished good:
   For an acceptance sampling plan with c = 2,what will be the average outgoing quality for lots with 5% defectives?
 10%?
 15%?
 20%?

Accepted Answer

.0462; .06

Question 11

A Type I (alpha)error occurs when:

Accepted Answer

A)  a bad lot is accepted. 
B)  a good lot is rejected. 
C)  a bad lot is rejected. 
D)  a good lot is accepted. 
E)  none of the choices. 
A)  a bad lot is accepted. 
B)  a good lot is rejected. 
C)  a bad lot is rejected. 
D)  a good lot is accepted. 
E)  none of the choices.

Question 12

Acceptance sampling plans must specify the lot size,the sample size,and the acceptance/rejection criteria.

Accepted Answer

A) True 
 B)False

Question 13

The Quality Manager for Graphics,Inc.is concerned about the quality of the lot of several thousand posters which her company printed this week and is now preparing to ship.If the indifference point between complete inspection or shipment without inspection is 12% defectives,and she decides to sample 15 posters (n = 15),what is the maximum number of sample defectives (c)for which this lot would be accepted for shipment without further inspection?

Accepted Answer

A)  0 defectives 
B)  1 defective 
C)  2 defectives 
D)  3 defectives 
E)  4 defectives 
A)  0 defectives 
B)  1 defective 
C)  2 defectives 
D)  3 defectives 
E)  4 defectives

Question 14

In a double-sampling plan,a second sample may not be taken if the results of the first sample are conclusive.

Accepted Answer

A) True 
 B)False

Question 15

The LTPD is associated with a consumer's risk.

Accepted Answer

A) True 
 B)False

Question 16

Sampling plans typically specify:

Accepted Answer

A)  lot size. 
B)  sample size. 
C)  number of samples to be taken. 
D)  acceptance/rejection criteria. 
E)  sample size, number of samples to be taken, and acceptance/rejection criteria. 
A)  lot size. 
B)  sample size. 
C)  number of samples to be taken. 
D)  acceptance/rejection criteria. 
E)  sample size, number of samples to be taken, and acceptance/rejection criteria.

Question 17

Given the following acceptance sampling data for a lot of several thousand units of a finished good:
   If c = 2,what is the probability that,if this lot were 5% defective,it would be rejected and completely inspected prior to shipment?
 10% defective?
 15%?
 20%?

Accepted Answer

.0755; .32

Question 18

The AQL is associated with a producer's risk.

Accepted Answer

A) True 
 B)False

Question 19

In a double-sampling plan,a second sample is taken if the results of the first sample are inconclusive.

Accepted Answer

A) True 
 B)False

Question 20

Given the following acceptance sampling data for a lot of several thousand units of a finished good:
   If this lot were 20% defective,what type error would be possible?
 For an acceptance sampling plan with c = 2,what would be the risk of this error?

Accepted Answer

Type II er

If a lot,or batch,is "rejected" during acceptance sampling,the lot will usually be thrown away.

Inspection both before and after production involves acceptance sampling procedures.

A Type II (beta)error occurs when:

Given the following acceptance sampling data for a lot of several thousand units of a finished good: If this lot were 5% defective,what type error would be possible? For an acceptance sampling plan with c = 2,what would be the risk of this error?

Given the following acceptance sampling data for a lot of several thousand units of a finished good: For an acceptance sampling plan with c = 2,what will be the average outgoing quality for lots with 5% defectives? 10%? 15%? 20%?

A Type I (alpha)error occurs when:

Acceptance sampling plans must specify the lot size,the sample size,and the acceptance/rejection criteria.

In a double-sampling plan,a second sample may not be taken if the results of the first sample are conclusive.

The LTPD is associated with a consumer's risk.

Sampling plans typically specify:

Given the following acceptance sampling data for a lot of several thousand units of a finished good: If c = 2,what is the probability that,if this lot were 5% defective,it would be rejected and completely inspected prior to shipment? 10% defective? 15%? 20%?

The AQL is associated with a producer's risk.

In a double-sampling plan,a second sample is taken if the results of the first sample are inconclusive.

Given the following acceptance sampling data for a lot of several thousand units of a finished good: If this lot were 20% defective,what type error would be possible? For an acceptance sampling plan with c = 2,what would be the risk of this error?

Introduction to Operations Management

Competitiveness, Strategic Planning, and Productivity

Demand Forecasting

A: Product Design

B: Product Design

A: Strategic Capacity Planning

B: Strategic Capacity Planning

A: Process Design and Facility Layout

B: Process Design and Facility Layout

A: Design of Work Systems

B: Design of Work Systems

A: Location Planning and Analysis

B: Location Planning and Analysis

Management of Quality

A: Statistical Quality Control

Supply Chain Management

Inventory Management

Aggregate Operations Planning

Material Requirements Planning and Enterprise Resource Planning

A: Just-In-Time and Lean Production

B: Just-In-Time and Lean Production

Job and Staff Scheduling

Project Management

A: Waiting-Line Analysis

B: Waiting-Line Analysis

Filters

Exam 10: B: Statistical Quality Control

If a lot,or batch,is "rejected" during acceptance sampling,the lot will usually be thrown away.

Inspection both before and after production involves acceptance sampling procedures.

A Type II (beta)error occurs when:

Given the following acceptance sampling data for a lot of several thousand units of a finished good: If this lot were 5% defective,what type error would be possible? For an acceptance sampling plan with c = 2,what would be the risk of this error?

Given the following acceptance sampling data for a lot of several thousand units of a finished good: For an acceptance sampling plan with c = 2,what will be the average outgoing quality for lots with 5% defectives? 10%? 15%? 20%?

A Type I (alpha)error occurs when:

Acceptance sampling plans must specify the lot size,the sample size,and the acceptance/rejection criteria.

In a double-sampling plan,a second sample may not be taken if the results of the first sample are conclusive.

The LTPD is associated with a consumer's risk.

Sampling plans typically specify:

Given the following acceptance sampling data for a lot of several thousand units of a finished good: If c = 2,what is the probability that,if this lot were 5% defective,it would be rejected and completely inspected prior to shipment? 10% defective? 15%? 20%?

The AQL is associated with a producer's risk.

In a double-sampling plan,a second sample is taken if the results of the first sample are inconclusive.

Given the following acceptance sampling data for a lot of several thousand units of a finished good: If this lot were 20% defective,what type error would be possible? For an acceptance sampling plan with c = 2,what would be the risk of this error?

Introduction to Operations Management

Competitiveness, Strategic Planning, and Productivity

Demand Forecasting

A: Product Design

B: Product Design

A: Strategic Capacity Planning

B: Strategic Capacity Planning

A: Process Design and Facility Layout

B: Process Design and Facility Layout

A: Design of Work Systems

B: Design of Work Systems

A: Location Planning and Analysis

B: Location Planning and Analysis

Management of Quality

A: Statistical Quality Control

Supply Chain Management

Inventory Management

Aggregate Operations Planning

Material Requirements Planning and Enterprise Resource Planning

A: Just-In-Time and Lean Production

B: Just-In-Time and Lean Production

Job and Staff Scheduling

Project Management

A: Waiting-Line Analysis

B: Waiting-Line Analysis

Filters