A process characteristic follows a normal distribution with…

A process characteristic follows a normal distribution with a mean of 25.15 and standard deviation of 0.9.  The spec limits for the characteristic are 25.00 +/- 1.5.   If a sample of 6 parts are taken from the process, what is the probability that there will be no parts out of spec in the sample?

I have completed the exam.  I have shown the web cam the fro…

I have completed the exam.  I have shown the web cam the front and back of my scratch paper and will tear my scratch paper into many, many tiny pieces.  Show web cam front and back of your scratch paper.  Then tear scratch paper up in view of the webcam.   (Failure to follow these instructions will result in invalidation of your exam.)