Please help and explain. Will rate. Thank you suppose that a takes place between

Question

Please help and explain. Will rate.

Thank you

suppose that a takes place between and the sample was the second sample sample, namely that after the second sample was collected but before the third collected. In order to describe the the third sample is inside the control limits probability that which one of the following expression should be used? (a) Prob E [LCL, UCL]I00C) (c) Prob(R e [LCL, UCL] IC) 1 a; [Note: IC stands for "process in control", and ooc stands for "process is out of control l is

Explanation / Answer

IN THESE TYPE OF QUESTIONS THE NOTATIONS ARE VERY INPORTANT TO JUDGE AND AS IT IS GIVEN THAT THE CHANGE HAS TOOK PLACE BETWEEN 2ND AND THE 3RD THE NOTATION THAT EVENT 3 LIES INSIDE THE CONTROL LIMITS WILL BE THE OPTION C

AS IN OPTION C IT IS GIVEN THAT X E WHICH MEANS X BELONGS TO THE LCL , UCL (IN CONTROL) = 1- ALPHA

ALPHA IS THE VALUE BY WHICH IT IS DEVIATED HENCE, OPTION C IS CORRECT.

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