Historical data for a local steel manufacturing company shows 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 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

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The Answer of Historical data for a local steel manufacturing company shows 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 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

Historical Data for a Local Steel Manufacturing Company Shows That