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3 years ago

6

A process on a machine has a standard deviation of 0.04 inches. If a product with specifications of +/- 0.07 inches has to be pr

ocessed on that machine, is the machine capable of performing that job? Group of answer choices

1 answer:

polet [3.4K]3 years ago

5 0

Answer:

c.) No, because Cp < 1

Step-by-step explanation:

Let us assume that there is centered in the process

and, the width is 2 times the specification

So, the width is

$= 2 \times 0.07$

= 0.14

Now capability index = Cp is

$= \frac{specification\ width}{6 \times standard\ deviation}\\\\= \frac{0.14}{6\times 0.04}$

= 0.58333

And the capability index should be minimum 1 for the process

And as we can see that Cp is 0.58333 which is less than 1 so the machine is not able to perform the job

Hene, the correct option is c.

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