摘要
根据大批量抽样的特点 ,利用正态分布来逼近超几何分布 。
According to the property of a large number of samplings,this paper uses normal distribution to approach supergeometric distribution and makes out the device of counting one sampling in terms of the quality index of percentage of group unqualified production.
出处
《石河子大学学报（自然科学版）》
CAS
2001年第2期165-166,共2页
Journal of Shihezi University(Natural Science)
