1) The random number of claims N on a block of insurance policies is to be modeled using oneof the following families of distributions: binomial, Poisson or negative binomial. Estimatesfor

EN and VarN are obtained from historical data. In each of the following three cases,indicate which family of distributions is the best choice to model N. a) VarN = EN. b) VarN > EN. c) VarN < EN.