Caman Biscuits produces fruit flavored wafers. The
company estimates that each wafer should be at least 0.45 inches
and at most 0.52 inches thick. The company is considering
outsourcing the wafer production to Warm Biscuits Company. Warm
Biscuits produces wafers of normally distributed thickness with a
mean of 0.48 inches and standard deviation of 0.023 inches. Caman
Biscuits aims for 3σ performance for all its products.

a. Calculate Cp. Is Warm Biscuit’s process capable of
producing wafers at the performance level specified by Caman?
Please explain your answer.

b. Using Cpk, check if Warm Biscuit’s process is capable of
producing wafers at the performance level specified by Caman?
Explain your answer.