ABSTRACT

Mean 5 5 500 500 Standard deviation 2.18 2.24 21.8 22.4 Skewness 0.41 0.45 0.041 0.045

value n = pN is kept fixed. Th i s is seen by replacing p by n/N i n

(A. 1.4). After some straightforward manipulat ions we have

(A.1.5)

as N o o . Hence, the b inomia l probabi l i ty approaches the Po isson probabi l i ty as the size N of the collective becomes large compared

wi th the expected c la im number n.