题目是：随机变量x是通常分布的，其平均数为25，标准差是4
问下面哪一个最接近这个分布的四分位数区间？
然后步骤是：数学我不会做，自己看课本...
random variable X is normally distributed,with a mean of 25
3个回答
相关问题
-
GRE数学正态分布A random variable Y is normally distributed with a
-
gre数学题A random variable Y is normally distributed with a mea
-
Question 4 Let X be a normal random variable with a mean of
-
suppose that x is a gaussian random variable with mean 2 and
-
关于正态分布和标准差的If x is normally distributed with mean u and stan
-
The probability density function of a random variable X is f
-
A sampling distribution problem?A random sample of size 81 i
-
关于random variable
-
1.expected value of a discrete random variable X(离散随机变量的预期值)
-
管理初级统计作业 the random variable X has an expected value of 55 a