Historical Data for a Local Steel Manufacturing Company Show That

Multiple Choice

Historical data for a local steel manufacturing company show that the average number of defects per standard sheet of steel is 2.In addition,the number of defects per unit is distributed according to a Poisson distribution.What is the probability that there will be a total of 7 defects on four standard sheets of steel?

A) .8750
B) .1221
C) .0573
D) .1396