Question 1

The purpose of acceptance sampling is to decide whether a batch of items satisfies pre-determined standards.

Accepted Answer

A) True 
 B)False

Question 2

Acceptance sampling procedures are applicable for inspection both before and after production.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is associated with producer's risk?

Accepted Answer

A)  LTPD 
B)  AQL 
C)  AOQL 
D)  SPC 
E)  Cpk 
A)  LTPD 
B)  AQL 
C)  AOQL 
D)  SPC 
E)  Cpk

Question 4

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 and shipment without inspection is 12 percent 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 5

A graphical representation that shows the risk of: (1) accepting bad lots and (2) rejecting good lots is called the:

Accepted Answer

A)  indifference curve. 
B)  operating characteristic curvE. 
C)  sampling plan. 
D)  inspection curve. 
E)  operating inspection plan. 
A)  indifference curve. 
B)  operating characteristic curvE. 
C)  sampling plan. 
D)  inspection curve. 
E)  operating inspection plan.

Question 6

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 she uses an acceptance sampling plan of n = 10 and c = 2, what is the probability that, if this lot is 10 percent defective, it will be accepted for shipment without inspection?

Accepted Answer

A)  .9298 
B)  .0702 
C)  .8189 
D)  .2198 
E)  .5995 
A)  .9298 
B)  .0702 
C)  .8189 
D)  .2198 
E)  .5995

Question 7

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)  a rejected lot is reinspected. 
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)  a rejected lot is reinspected.

Question 8

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)  an accepted lot is reinspected. 
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)  an accepted lot is reinspected.

Question 9

A good sampling plan will occasionally reject a lot with very good quality.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

The quality manager for Microelectronics, Inc., is concerned about the quality of the batch of several thousand Z-box games which his company is about to ship. If he uses an acceptance sampling plan of n = 20 and c = 1, what will be the average outgoing quality for batches with 15 percent defectives?

Accepted Answer

A)  .0263 
B)  .1237 
C)  .1756 
D)  .8244 
E)  .9737 
A)  .0263 
B)  .1237 
C)  .1756 
D)  .8244 
E)  .9737

Question 12

Suppose that only two incoming fraction defective levels, 4 percent and 8 percent, are possible. These incoming fraction defective levels are equally likely. At a 4 percent incoming fraction defective, there's a 60 percent chance that a lot will be accepted. At 8 percent incoming fraction defective, there's a 20 percent chance that a lot will be accepted. Lots that are not accepted are subject to 100 percent sorting. What is average outgoing quality?

Accepted Answer

A)  40 percent 
B)  20 percent 
C)  10 percent 
D)  4 percent 
E)  2 percent 
A)  40 percent 
B)  20 percent 
C)  10 percent 
D)  4 percent 
E)  2 percent

Question 13

A quality inspector for Alpha-Beta Co. is concerned about the quality of the batch of several thousand blank DVD disks 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 will be the average outgoing quality for batches with 40 percent defectives?

Accepted Answer

A)  .1270 
B)  .2730 
C)  .3174 
D)  .6826 
E)  .7270 
A)  .1270 
B)  .2730 
C)  .3174 
D)  .6826 
E)  .7270

Question 14

Sampling plans are designed considering both the cost and time required for the inspection.

Accepted Answer

A) True 
 B)False

Question 15

An AOQ curve shows:

Accepted Answer

A)  the maximum quality. 
B)  average outgoing quality relative to incoming quality. 
C)  how well a sampling plan can discriminate between good and bad lots. 
D)  the actual quality level. 
E)  "good" quality. 
A)  the maximum quality. 
B)  average outgoing quality relative to incoming quality. 
C)  how well a sampling plan can discriminate between good and bad lots. 
D)  the actual quality level. 
E)  "good" quality.

Question 16

Which one of the following would not be a reason for using acceptance sampling?

Accepted Answer

A)  high cost of passing defectives 
B)  large number of items 
C)  destructive testing 
D)  boredom and fatigue that would accompany complete inspection 
E)  low cost of passing defectives 
A)  high cost of passing defectives 
B)  large number of items 
C)  destructive testing 
D)  boredom and fatigue that would accompany complete inspection 
E)  low cost of passing defectives

Question 17

The quality manager for Frozen Pizzas, Inc., is concerned about the quality of the lot of several thousand pizzas which his company produced this week, and is now ready to ship. If he uses an acceptance sampling plan of n = 8 and c = 1, what is the probability that, if this lot is 15 percent defective, it will be rejected and completely inspected prior to shipment?

Accepted Answer

A)  .8948 
B)  .8131 
C)  .6572 
D)  .5033 
E)  .3428 
A)  .8948 
B)  .8131 
C)  .6572 
D)  .5033 
E)  .3428

Question 18

Which of the following is associated with consumer's risk?

Accepted Answer

A)  LTPD 
B)  AQL 
C)  AOQL 
D)  SPC 
E)  Cpk 
A)  LTPD 
B)  AQL 
C)  AOQL 
D)  SPC 
E)  Cpk

Question 19

The quality manager for Microelectronics, Inc., is concerned about the quality of the batch of several thousand Z-box games which his company is about to ship. If, based on his acceptance sample, he decides to ship this batch without inspection, which type error would be possible?

Accepted Answer

A)  inspector's error 
B)  producer's error 
C)  Type I error 
D)  Type II error 
E)  both Type I and Type II errors 
A)  inspector's error 
B)  producer's error 
C)  Type I error 
D)  Type II error 
E)  both Type I and Type II errors

Question 20

In a single-sampling plan, the entire lot, or batch of items, is accepted or rejected based upon only one specified sized sample.

Accepted Answer

A) True 
 B)False

The purpose of acceptance sampling is to decide whether a batch of items satisfies pre-determined standards.

Acceptance sampling procedures are applicable for inspection both before and after production.

Which of the following is associated with producer's risk?

A graphical representation that shows the risk of: (1) accepting bad lots and (2) rejecting good lots is called the:

A Type II (beta) error occurs when:

A Type I (alpha) error occurs when:

A good sampling plan will occasionally reject a lot with very good quality.

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

Sampling plans are designed considering both the cost and time required for the inspection.

An AOQ curve shows:

Which one of the following would not be a reason for using acceptance sampling?

Which of the following is associated with consumer's risk?

The quality manager for Microelectronics, Inc., is concerned about the quality of the batch of several thousand Z-box games which his company is about to ship. If, based on his acceptance sample, he decides to ship this batch without inspection, which type error would be possible?

In a single-sampling plan, the entire lot, or batch of items, is accepted or rejected based upon only one specified sized sample.

Introduction to Operations Management

Competitiveness

Forecasting

Product and Service Design

RELIABILITY – Static

Strategic Capacity Planning for Products and Services

Decision Theory– Static

Process Selection and Facility Layout

Work Design and Measurement

learning curve– Static

Location Planning and Analysis

The Transportation Model– Static

Management of Quality

Quality Control

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

JIT and Lean Operations

Maintenance– Static

Supply Chain Management

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Filters

Exam 15: Acceptance Sampling– Static

The purpose of acceptance sampling is to decide whether a batch of items satisfies pre-determined standards.

Acceptance sampling procedures are applicable for inspection both before and after production.

Which of the following is associated with producer's risk?

A graphical representation that shows the risk of: (1) accepting bad lots and (2) rejecting good lots is called the:

A Type II (beta) error occurs when:

A Type I (alpha) error occurs when:

A good sampling plan will occasionally reject a lot with very good quality.

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

Sampling plans are designed considering both the cost and time required for the inspection.

An AOQ curve shows:

Which one of the following would not be a reason for using acceptance sampling?

Which of the following is associated with consumer's risk?

The quality manager for Microelectronics, Inc., is concerned about the quality of the batch of several thousand Z-box games which his company is about to ship. If, based on his acceptance sample, he decides to ship this batch without inspection, which type error would be possible?

In a single-sampling plan, the entire lot, or batch of items, is accepted or rejected based upon only one specified sized sample.

Introduction to Operations Management

Competitiveness

Forecasting

Product and Service Design

RELIABILITY – Static

Strategic Capacity Planning for Products and Services

Decision Theory– Static

Process Selection and Facility Layout

Work Design and Measurement

learning curve– Static

Location Planning and Analysis

The Transportation Model– Static

Management of Quality

Quality Control

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

JIT and Lean Operations

Maintenance– Static

Supply Chain Management

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Filters