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1. Suppose that a cookie making process has a normally distributed out put with a mean of 30 grams and variance of 4 grams. (a)

1. Suppose that a cookie making process has a normally distributed out put with a mean of 30 grams and variance of 4 grams.

(a) If the specifications are 30.0 6 grams, compute Cp, Cpu, Cpl, and Cpk. Is the process capable and centered?

(b) Suppose the mean shifts to 27.0 but the variance remains unchanged. Recompute Cp, Cpu, Cpl, and Cpk. and interpret these process capability indexes

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