6. A fraction nonconforming chart has center line p = 0.10, UCL=0.20, and LCL=0.0 a). Assuming a 3-sigma chart is used, what is the sample size for the control chart for p. b). Use the Poisson approximation to the binomial to find the probability of a Type I error a. c). Use the Poisson approximation to find the Type II error if the actual fraction nonconforming = 0.15

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