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Frank​ Pianki, the manager of an organic yogurt processing plant desires a quality specification with a mean of 20.0 ​ounces, an upper specification limit of 20.5 ​ounces, and a lower specification limit of 19.5 ounces. The process has a mean of 20.0 ounces and a standard deviation of 1 ounce.

The process capability index (Cpk) = ________ (round your response to three decimal places).

Respuesta :

Answer:

The process capability index  = 0.167

Explanation:

µ =          20                          

USL =     20.5                        

LSL =      19.5                        

σ =          1                              

Cpk = min { (µ-LSL)/3σ or (USL-µ)/3σ } = 0.167

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