Q. A process which makes chocolate calsoy bars has an o/p which is normally distributed with a mean of 6oz also a standard deviation of .01 oz a job is to be run which requires 200 calsoy bars describe three sigma control limits for an x-bar chart assuming a sample size of 10 if specifications are 5.98 to 6.02 illustrate what run size should be used for this job so which the expected number of good calsoy bars is 200 assuming the process is in control