Question: ( Process Capability when is unknown ) A process that produces computer chips has a mean of 0 . 0 4 defective chip. Suppose standard

(Process Capability when is unknown) A process that produces computer chips
has a mean of 0.04 defective chip. Suppose standard deviation is not known and we
are provided with the following range data of the process:
(a) Compute the capability index for the process.
(b) Is the process capable?
 (Process Capability when is unknown) A process that produces computer chips

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