Historical Data for a Local Manufacturing Company Show That the Average

Multiple Choice

Historical data for a local manufacturing company show that the average number of defects per product produced is 2. In addition, the number of defects per unit is distributed according to a Poisson distribution. A batch has just been completed. What is the probability that the first three units manufactured in this batch will contain at least a total of 4 defects?

A) .8488
B) .7149
C) .1512
D) .2851