Question 1

A lot can be "accepted" or "rejected" in a double-sampling plan:

Accepted Answer

A) after one sample is taken. 
B) after two samples are taken. 
C) only after two samples are taken. 
D) All of the above are correct. 
E) Only a and b are correct. 
A) after one sample is taken. 
B) after two samples are taken. 
C) only after two samples are taken. 
D) All of the above are correct. 
E) Only a and b are correct. E

Question 2

Flexible acceptance sampling revises the sampling plan in response to actual results.

Accepted Answer

A) True 
 B)False  False

Question 3

The Lot tolerance percent defective (LTPD) is associated with a consumer's risk.

Accepted Answer

A) True 
 B)False  True

Question 4

If, based on his acceptance sample, he decides to ship this batch without inspection, which type error would be possible?

Accepted Answer

A) none 
B) producer's error 
C) Type I error 
D) Type II error 
E) both Type I and Type II error 
A) none 
B) producer's error 
C) Type I error 
D) Type II error 
E) both Type I and Type II error

Question 5

If n = 20 and 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 6

Acceptance sampling procedures can be applied to both attribute and variables inspection.

Accepted Answer

A) True 
 B)False

Question 7

The AQL determines the percentage level of defects in batches that are acceptable.

Accepted Answer

A) True 
 B)False

Question 8

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 9

If, based on his acceptance sample, he decides to ship this batch without inspection, which type error would be possible?

Accepted Answer

A) none 
B) producer's error 
C) Type I error 
D) Type II error 
E) both Type I and Type II error 
A) none 
B) producer's error 
C) Type I error 
D) Type II error 
E) both Type I and Type II error

Question 10

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 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 above 
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 above

Question 12

The Acceptable quality level (AQL) is associated with a producer's risk.

Accepted Answer

A) True 
 B)False

Question 13

"Average outgoing quality" curves show the average quality level of inspected and un-inspected lots for any given incoming fraction defective.

Accepted Answer

A) True 
 B)False

Question 14

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

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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 above 
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 above

Question 17

Shipments of bowling balls are sampled before delivery to a warehouse.Lots of 600 balls are checked, using 10 observations from each lot.Any lot with more than one defective is rejected.Calculate values for the operating characteristic curve for this sampling plan.

Accepted Answer

The follow

Question 18

Suppose a batch is of unacceptable quality.There's a 10% chance that it will be accepted.Thus, ________ is 10%.

Accepted Answer

The answer of Suppose a batch is of unacceptable quality.There's...

Question 19

In acceptance sampling, the level of inspection automatically adjusts to the quality of lots being inspected, assuming that

Accepted Answer

A) A single-sampling plan is used. 
B) Double-sampling plans are used. 
C) Multiple-sampling plans are used. 
D) "Rejected" lots are subjected to 100 percent inspection. 
E) none of the above 
A) A single-sampling plan is used. 
B) Double-sampling plans are used. 
C) Multiple-sampling plans are used. 
D) "Rejected" lots are subjected to 100 percent inspection. 
E) none of the above

Question 20

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

Exam 24: Extension 10: Acceptance Sampling

A lot can be "accepted" or "rejected" in a double-sampling plan:

Flexible acceptance sampling revises the sampling plan in response to actual results.

The Lot tolerance percent defective (LTPD) is associated with a consumer's risk.

If, based on his acceptance sample, he decides to ship this batch without inspection, which type error would be possible?

If n = 20 and 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%?

Acceptance sampling procedures can be applied to both attribute and variables inspection.

The AQL determines the percentage level of defects in batches that are acceptable.

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

If, based on his acceptance sample, he decides to ship this batch without inspection, which type error would be possible?

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

A Type I (alpha) error occurs when:

The Acceptable quality level (AQL) is associated with a producer's risk.

"Average outgoing quality" curves show the average quality level of inspected and un-inspected lots for any given incoming fraction defective.

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

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

A Type II (beta) error occurs when:

Shipments of bowling balls are sampled before delivery to a warehouse.Lots of 600 balls are checked, using 10 observations from each lot.Any lot with more than one defective is rejected.Calculate values for the operating characteristic curve for this sampling plan.

Suppose a batch is of unacceptable quality.There's a 10% chance that it will be accepted.Thus, ________ is 10%.

In acceptance sampling, the level of inspection automatically adjusts to the quality of lots being inspected, assuming that

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?

Introduction to Operations Management

Competitiveness, Strategy, and Productivity

Forecasting

Product and Service Design

Strategic Capacity Planning for Products and Services

Process Selection and Facility Layout

Work Design and Measurement

Location Planning and Analysis

Management of Quality

Quality Control

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Jit and Lean Operations

Supply Chain Management

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Extension 4: Reliability

Extension 5: Decision Theory

Extension 7: Learning Curves

Extension 8: The Transportation Model

Extension 14: Maintenance

Filters