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Question 1
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Acceptance sampling is applied to batches of items during the production process.

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Question 2
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Acceptance sampling procedures are applicable for inspection both before and after production.

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Question 3
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Flexible acceptance sampling revises the sampling plan in response to actual results.

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Question 4
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The purpose of acceptance sampling is to decide whether a batch of items satisfies pre-determined standards.

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Question 5
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A good sampling plan will occasionally reject a lot with very good quality.

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Question 6
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Acceptance sampling is most useful when the cost consequences of passing defectives are low.

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Question 7
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Acceptance sampling procedures can be applied to both attribute and variables inspection.

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Question 8
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In a single-sampling plan, the entire lot, or batch of items, is accepted or rejected based upon only one specified sized sample.

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Question 9
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A double-sampling plan requires a second sample of exactly twice the size of the first sample.

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Question 10
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Sampling plans are designed considering both the cost and time required for the inspection.

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Question 11
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In a double-sampling plan, a second sample may not be taken if the results of the first sample are conclusive.

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Question 12
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Acceptance sampling is a form of inspection applied to items during an ongoing process.

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Question 13
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In a double-sampling plan, a second sample is taken if the results of the first sample are inconclusive.

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Question 14
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The ability of an acceptance sampling plan to discriminate between good and bad lots is described by its operating characteristic curve.

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Question 15
Multiple Choice

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

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A
indifference curve.
B
operating characteristic curvE.
C
sampling plan.
D
inspection curve.
E
operating inspection plan.
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Question 16
Multiple Choice

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

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A
LTPD
B
AQL
C
AOQL
D
SPC
E
Cpk
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Question 17
Multiple Choice

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

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A
LTPD
B
AQL
C
AOQL
D
SPC
E
Cpk
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Question 18
Multiple Choice

When is the average outgoing quality level (AOQL) at its peak?

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A
when the incoming fraction defective is at a minimum
B
when the incoming fraction defective is at a maximum
C
when the outgoing fraction defective is at a minimum
D
when the outgoing fraction defective is constant
E
when the outgoing fraction defective begins to increase
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Question 19
Multiple Choice

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?

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A
40 percent
B
20 percent
C
10 percent
D
4 percent
E
2 percent
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Question 20
Multiple Choice

Suppose that only two incoming fraction defective levels, 2 percent and 6 percent, are possible. The 2 percent incoming fraction defective level is twice as likely as the 6 percent. At a 2 percent incoming fraction defective, there's an 80 percent chance that a lot will be accepted. At 6 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 (approximately)?

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A
1.60 percent
B
1.47 percent
C
1.20 percent
D
.73 percent
E
.80 percent
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