A fast food restaurant wants to determine if it is feasible…

A fast food restaurant wants to determine if it is feasible to stay open during the hours between 1 am and 4 am.  Data was collected over a period of several weeks and on average there were 3.2 customers per hour during those overnight hours. Assuming the number of customers arriving follows a Poisson distribution, what is the probability that there will be exactly 5 customers arriving during the three hours between 1 am and 4 am

A manufacturer of electronic components tests a batch of par…

A manufacturer of electronic components tests a batch of parts and finds the parts do not meet the high requirements of the aerospace customer and they are rejected at inspection.   The parts are then sold to a company that makes toys instead.  This handling of nonconforming parts is known as

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?