# Question: a A control chart for the number nonconforming is to

(a) A control chart for the number nonconforming is to be established, based on samples of size 400. To start the control chart, 30 samples were selected and the number nonconforming in each sample determined, yielding.

(b) Suppose the process average fraction nonconforming shifted to 0.15. What is the probability that the shift would be detected on the first subsequent sample?

(b) Suppose the process average fraction nonconforming shifted to 0.15. What is the probability that the shift would be detected on the first subsequent sample?

## Answer to relevant Questions

A fraction nonconforming control chart with center line 0.10, UCL = 0.19, and LCL = 0.01 is used to control a process. (a) If three-sigma limits are used, find the sample size for the control chart. (b) Use the Poisson ...Construct a standardized control chart for the data in Exercise 7.29. In Exercise 7.29 A fraction nonconforming control chart with n = 400 has the following parameters: UCL = 0.0809, Center line = 0.0500, LCL = 0.0191. (a) Find the width of the control limits in standard deviation units. (b) What would be the ...A paper mill uses a control chart to monitor the imperfection nin finished rolls of paper. Production output is inspected for 20 days, and the resulting data are shown in Table 7E.13. Use these data to set up a control chart ...Find the three-sigma control limits for (a) a c chart with process average equal to four nonconformities. (b) a u chart with c = 4 and n = 4.Post your question