Question: In-Class Exercise - Cpk Problem Design specifications require that a key dimension on a product measure 110 + 13 units. A process being considered for

In-Class Exercise - Cpk Problem Design

In-Class Exercise - Cpk Problem Design specifications require that a key dimension on a product measure 110 + 13 units. A process being considered for producing this product has with a mean of 110 units and a standard deviation of four units. a. What can you say (quantitatively) regarding the process capability? b. Suppose the process average shifts to 98 units. Calculate the new process capability. c. What can you say about the process after the shift? Approximately what percentage of the items produced will be defective? Assignment - Cok Problem C-Spec. Inc., is attempting to determine whether an existing machine is capable of milling an engine part that has a key specification of 4 + 0.003 inches. After a trial run on this machine, C- Spec has determined that the machine has a sample mean of 4.001 inches with a standard deviation of 0.002 inches. a. Calculate the Cpk for this machine. b. Should C-Spec use this machine to produce this part? Why? c. Approximately what percentage of the items produced will be defective

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