Question: The lower and upper specification limits for a service are 4.0 minutes and 6.0 minutes respectively. The process standard deviation is 0.40 minutes and the

The lower and upper specification limits for a service are 4.0 minutes and 6.0 minutes respectively. The process standard deviation is 0.40 minutes and the process average is 5.0 minutes. What basic conclusion can be drawn?

a. the process is capable

b. no out of specification services will be performed

c. the specifications should be changed to 4.2 and 3.8 minutes respectively.

d. the process is not capable e. none of the above.

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