A large distribution center of a package delivery company ha…

A large distribution center of a package delivery company had an average of 2.5 major conveyor jams in each sort.  (A sort is when the semi-trucks bring packages to the facility and they are sorted to put into vehicles going to other centers or the final customer.  The sort uses a massive number of conveyors.)  The center runs 3 sorts per day.  Assuming the number of major jams follows a Poisson distribution, what is the probability of having exactly 6 major jams on a day?

A quality control inspector is assigned the task of assessin…

A quality control inspector is assigned the task of assessing the quantity of defects per unit on electrical distribution panels which have been randomly selected at the end of an assembly line.  The defects are scratches and blemishes.  Which statistical distribution would be most appropriate for analyzing data from the process?

A manufacturer machines a metal part can be reworked if it i…

A manufacturer machines a metal part can be reworked if it is oversized but must be scrapped if it is undersize.  If the mean length of a part is 1.60 “ with a 0.045 standard deviation and the part must be reworked if it is over 1.70, what percent of the parts produced would be expected to be reworked?