Frank Pianki, the manager of an organic yogurt processing plant desires a quality specification with a...

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Frank Pianki, the manager of an organic yogurt processing plant desires a quality specification with a...

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 1.25 ounce.

The process capability index (Upper C Subscript pkCpk)

= ? (round your response to three decimal places).

business Operations-Management

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Answer 1

Answer #1

Cpk = MIN(UPPER LIMIT - MEAN / 3 * STANDARD DEVIATION, MEAN - LOWER LIMIT / 3 * STANDARD DEVIATION)
Cpk = MIN(20.5 - 20 / 3 * 1.25, 20 - 19.5 / 3 * 1.25)
Cpk = MIN(0.1333, 0.1333)
Cpk = 0.133

The process is not capable.

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Answer 2

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