I was doing problems in the article here.
http://elearning.vtu.ac.in/10/enotes/06IPIM65/Mod10-NVN.pdf
In the question on page 16
I don't understand part b) how to find a target value that minimize the product being outside the specifications. Can someone please explain to me how it was decided to change process mean from 125 to 127?
http://elearning.vtu.ac.in/10/enotes/06IPIM65/Mod10-NVN.pdf
In the question on page 16

I don't understand part b) how to find a target value that minimize the product being outside the specifications. Can someone please explain to me how it was decided to change process mean from 125 to 127?