摘要
为简化正态分布的概率计算,通常以一个新的变数u代替x,即通过u=(x-μ)/γ转换为标准正态分布,进而计算某变数x的区间概率。
A new variable u generally is used to replace the x in order to simplify the probability calculation processes of the normal distribution, that is the x to be changed to the standard normal distribution through the u= x-μ/σ and then proceed to calculate the interval probability of the certain variable x. The thesis analyzed this connotation of the mathematical theorem directly with the analytic diagram.
出处
《鸡西大学学报(综合版)》
2003年第4期80-81,共2页
JOurnal of Jixi University:comprehensive Edition
关键词
正态分布
标准正态分布
图形解析
概率计算
normal distribution
probability standard normal distribution analytic diagram