The lower and upper specification limits for a toothpaste filling machine are 10.50 and 12.00 ounces,respectively.The standard deviation is 0.05.The process capability index of the machine will be:
A) less than or equal to 3.
B) more than 3 but less than or equal to 5.
C) more than 4 but less than or equal to 5.
D) more than 5.

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The Answer of The lower and upper specification limits for a toothpaste filling machine are 10.50 and 12.00 ounces,respectively.The standard deviation is 0.05.The process capability index of the machine will be:
A) less than or equal to 3.
B) more than 3 but less than or equal to 5.
C) more than 4 but less than or equal to 5.
D) more than 5.

The Lower and Upper Specification Limits for a Toothpaste Filling