Question: 6.50. A normally distributed quality characteristic is mon- itored through use of an x and an R chart. These charts have the following parameters (n

6.50. A normally distributed quality

6.50. A normally distributed quality characteristic is mon- itored through use of an x and an R chart. These charts have the following parameters (n = 4): x Chart R Chart UCL = 626.0 Center line = 620.0 LCL = 614.0 UCL = 18.795 Center line = 8.236 LCL = 0 (e) What is the probability of detecting a shift in the process mean to 610 on the first sample follow- ing the shift (o remains constant)? (f) What is the probability of detecting the shift in part (e) by at least the third sample after the shift occurs? 6.50. A normally distributed quality characteristic is mon- itored through use of an x and an R chart. These charts have the following parameters (n = 4): x Chart R Chart UCL = 626.0 Center line = 620.0 LCL = 614.0 UCL = 18.795 Center line = 8.236 LCL = 0 (e) What is the probability of detecting a shift in the process mean to 610 on the first sample follow- ing the shift (o remains constant)? (f) What is the probability of detecting the shift in part (e) by at least the third sample after the shift occurs

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