Problem 1 [20 points]: Consider a single-sampling plan (n, c) with lot fraction nonconforming p. ...
Chapter 15: Lot by lot acceptance sampling for attributes 15.14. Suppose that a single-sampling plan with n = 150 and c-2 is being used for receiving inspection where the supplier ships the product in lots of size N 3000 (a) Draw the OC curve for this plan. (b) Draw the AOQ curve and find the AOQL (c) Draw the ATI curve for this plan
roints (a) A supplier wants to use a rectifying inspection plan to improve the incingt 10000 mechanical components. The fraction nonconform outgoing lot of ing lot is0.01. A single inspection sampling plan with sample size of 75 and acceptance tquality plan. Do you think the rectifying inspection plan will improve justify your answer with evidence. (b) A multiple-sampling number of zero is used in the inspection the quality of the outgoing lot?- pling plan is presented in the following table....
29, A single sampling plan consists of: N. 1480. n iso, and c-2. If an incoming lot containing 2% non- conforming is inspected using this plan, the probability that this lot will be accepted is: a. 0.199 b. 0.224 c. 0.271 d. 0.423 e. 0.667 30. Using the acceptance sampling plan in question 29 above, the average total inspection would be about: a. 150 b. 563 С. 626 d. 713 e. 917 Probability of having less than two nonconforming parts...
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Problem 5:(20 points) For the CSP-1 plan with f=1/4 and i-32, evaluate the following performance measures if this plan implemented for a process with p.05. a) The average of units inspected during 100% inspection procedure. b) The average of units passed under sampling inspection procedure c) The average fraction of total manufactured units inspected. d) The average outgoing Quality. e) Probability of acceptance.
Problem 5:(20 points) For the CSP-1 plan with f=1/4 and i-32, evaluate the following...
(15%) Suppose that a certain part for PCB assembly is received in large quantities. A single sampling plan with n-50 and c-2 is currently in use. 4" a. Describe type I error (a) and type II error (B) in acceptance b. What is the probability that an incoming lot will be accepted if c. What's the difference between an accepted lot and a rejected lot if sampling. the lot fraction nonconforming is fixed at 2%? at 5%? they are from...
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Problem 2:(25 points) Consider a double sampling plan with n1 20,n2 40, 1 2, and c2 -4. If the incoming lots have fraction non-conforming p-0.05 What is the probability of acceptance on the first sample? What is the probability of final acceptance? Calculate the probability of rejection on the first sample? Find the Average sample a) b) c) d)
Problem 2:(25 points) Consider a double sampling plan with n1 20,n2 40, 1 2, and c2 -4. If the...
Consider an acceptance sampling plan with n = 20 and c = 0. Compute the producer's risk for a lot with a defective rate of 2%. 0.6676 0.3324 0.3965 0.6035
1. (5 Points) (A)Construct a single sampling plan by attributes that will come close to having a producer's risk of 0.05 at p,-0.01 and a consumer's risk of 0.10 at p,-0.04 (B) Determine the probability of acceptance for the following quality levels under the plan in part (A): P. 0.005 0.020 0.120
1. (5 Points) (A)Construct a single sampling plan by attributes that will come close to having a producer's risk of 0.05 at p,-0.01 and a consumer's risk of...
Question 8 (2 points) You have a sampling plan of n = 55, c = 3. What is the worst defect rate that your sampling plan will accept 1/3rd of the time? 12.00% O 11.25% 9.50% 8.00% 7.50% 10.25%
Q1-Given OC curve, 1) explain the acceptance sampling policy? (40 points) 2) At a-0.05, how many nonconforming products will be expected in a lot? (40 points) AQL, 1-100a) 100 0 100α 5 AQL 0.7% 95 25 75 N 4000 n300 50 50 75 25 LQ = 2.6% 100B 10 100 2 2.6 3 0.7 1 Percent Nonconforming (100po) FIGURE 10-13 Consumer-Producer Relationship
Q1-Given OC curve, 1) explain the acceptance sampling policy? (40 points) 2) At a-0.05, how many nonconforming products...