# normal-distribution's questions - English 1answer

3.491 normal-distribution questions.

### 1 How to get the distribution of $\frac{1}{n} \sum_i x_i^2$

1 answers, 48 views normal-distribution sampling

### 4 How to find value of $\vert$$z$$\vert$ in normal distribution

Given that for a standard normal variable $Z$,$p(0<z<0.8) =0.2881$ The value of $p($$\vert$$z$$\vert \geq$$0.8)=?$ I already know how to find $p(z$$\geq$$0.8)$ which is equal to $0.21186$. ...

### 1 multivariate normal distribution range [duplicate]

Simple question about MVN pdf. I understand the domain to be [0,1]. However, why does scipy.stats.multivariate_normal.pdf output values above this range. E.g.<...

### 48 Central limit theorem for sample medians

If I calculate the median of a sufficiently large number of observations drawn from the same distribution, does the central limit theorem state that the distribution of medians will approximate a ...