Questions from Total Quality Management


Q: Find a Dodge–Romig single sampling plan if the lot size

Find a Dodge–Romig single sampling plan if the lot size is 600, the process average is 1.4% nonconforming, and AOQL=3%. Determine and interpret the LQL for the plan.

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Q: A chain sampling plan is used with a sample size of 5

A chain sampling plan is used with a sample size of 5 and a parameter i of 3. If lots have a proportion nonconforming of 0.06, find the probability of accepting such lots.

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Q: The equations for the acceptance and rejection lines for a sequential sampling

The equations for the acceptance and rejection lines for a sequential sampling plan are given as follows: What is the first opportunity to reject? What is the first opportunity to accept?

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Q: A sequential sampling plan is to be used. It is desirable

A sequential sampling plan is to be used. It is desirable to have a producer’s risk of 0.05 at AQL= 0.008 and a consumer’s risk of 0.07 at LQL= 0.082. Determine the equations for the acceptance and re...

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Q: Explain the different types of measurement scales and give examples in the

Explain the different types of measurement scales and give examples in the following situations: (a) Gallons of water to put out a fire by the fire department (b) Response time of an ambulance (c) Tes...

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Q: The initial inspection of transmission systems in automobiles is estimated to cost

The initial inspection of transmission systems in automobiles is estimated to cost $0.50 per unit. If a nonconforming transmission is allowed in the assembly, the unit cost to eventually disassemble a...

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Q: In Exercise 10-43, if the initial inspection costs of

In Exercise 10-43, if the initial inspection costs of the transmission systems are $1.00 per unit, what inspection policy should be followed using Deming’s kp rule? Data from Exercise 10-43: The init...

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Q: Refer to Exercise 10-43, Suppose that the monthly production

Refer to Exercise 10-43, Suppose that the monthly production is 3000 units. What is the average savings in total inspection costs per month when using the policy found from Deming’s kp rule as opposed...

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Q: Refer to Exercise 10-44. lf the monthly production is

Refer to Exercise 10-44. lf the monthly production is 2000 units, what is the average savings in total inspection costs when using Deming’s kp rule as opposed to 100% inspection? Data from Exercise 1...

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Q: In the construction industry, the initial inspection of tie beams is

In the construction industry, the initial inspection of tie beams is estimated to cost $0.20 per unit. If, however, a nonconforming beam is allowed for construction purposes, the unit cost of rectifyi...

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