题目
Which distribution does NOT tend to approximate the normal as one of its parameters increases?
选项
A.Bernoulli
B.Binomial
C.Poisson
D.All of the above
答案
A
解析
Binomial tends to normal as n increases; Poisson tends to normal as lambda increases.随着n的增加，二项分布趋于正态分布。 随着lambda的增加，泊松趋于正态分布。