一色慧一色慧Follow考研数学概率密度Aug 13, 2021TranslateIPFS函数性质 随机变量X与-X有相同的密度,则它们属于相同的分布,因为密度可以决定分布。CC BY-NC-ND 2.0Like my work?Don't forget to support or like, so I know you are with me..Support AuthorLoading...Recommendations常见分布的期望及方差泊松分布的数学期望和方差概率论中的EX指数分布的两个公式独立与互斥20Want to read more ?Login with one click and join the most diverse creator community.Log in