Questions from Total Quality Management

Q: Consider a double sampling plan given by the following parameters: N

Consider a double sampling plan given by the following parameters: N =1200, n1= 50, c1= 1, r1=4, n2= 110, c2= 5, r2=6. Find the probability of accepting lots that are 4% nonconforming. What is the pro...

Q: Consider a double sampling plan given by the following parameters: N

Consider a double sampling plan given by the following parameters: N =2200, n1= 60, c1= 0, r1=5, n2= 100, c2= 6, r2=7. Find the probability of accepting lots that are 3% nonconforming. What is the pro...

Q: Refer to Exercise 10-30. What is the average sample

Refer to Exercise 10-30. What is the average sample number of incoming lots that are 2% nonconforming? What is the average total inspection for this quality level of 2% nonconforming? Data from Exerc...

Q: Explain the difference between accuracy and precision of measurements. How do

Explain the difference between accuracy and precision of measurements. How do you control for accuracy? What can you do about precision?

Q: A double sampling plan is desired that has a producer’s risk of

A double sampling plan is desired that has a producer’s risk of 0.05 at AQL =1.8% nonconforming and a consumer’s risk of 0.10 at LQL =8.5% nonconforming. The lot size is 1500, and the sample sizes are...

Q: It is desired to accept lots that are 9.5%

It is desired to accept lots that are 9.5% nonconforming with a probability of 0.10 and to accept lots that are 2.3% nonconforming with a probability of 0.95. Find a double sampling plan for a lot siz...

Q: Refer to Exercise 10-33. Find the double sampling plan

Refer to Exercise 10-33. Find the double sampling plan if the second sample is to be twice as large as the first sample and the consumer’s stipulation is to be satisfied exactly. Data from Exercise 1...

Q: Refer to Exercise 10-33. Find the sampling plan if

Refer to Exercise 10-33. Find the sampling plan if it is desired to accept batches that are 5% nonconforming with a probability of 0.5. Data from Exercise 10-33: A double sampling plan is desired tha...

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

Find a Dodge–Romig single sampling plan if the lot size is 900, LQL= 5% nonconforming, and the process average is 0.8% nonconforming. What is the AOQL for the plan? Interpret it.

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

Find a Dodge–Romig single sampling plan if the lot size is 2200 and LQL = 5.0%. Determine and interpret the AOQL for the plan.