$X \sim N(0, \sigma^2)$. Obtain the density of $Y = |X|$.
21649
P.d.f of the absolute value of a normally distributed variable
155114
Find the marginal pdf of $X$ and $Y$
91500
Let $U, V \sim U(0,1)$ be independent. What is $P(U \leq V)$?
55071
pdf of a quotient of uniform random variables
96180
How to get the derivative of a normal distribution w.r.t its parameters?
47730
graph is dense in $\mathbb{R}^2$
13831
Find $ P(Z>X+Y)$ where $X,Y,Z \sim U(0,1)$ independently
50934
Let $x_n \in[0,1)$ s.t $x_n - \sqrt{n}\in \mathbb{Z}$. Prove that $X=\{x_n | n\in \mathbb{N}\}$ is dense in $[0,1]$.
65784
If $X,Y$ are independent $\chi ^2$ with $m$ and $n$ degrees of freedom, then $\frac{X}{X+Y} \sim\beta(m/2, n/2)$
44088
I have a complicated density function, how to find the constant?
54769
Distribution of sine of uniform random variable on $[0, 2\pi]$
26260
What is the meaning of the density of a distribution at a point?
56692
Determine the probability densities for coefficients of equation
141899
Let $X$ have the exponential distribution with $\lambda=2$ Find the density function of the random variable $Y=\ln(X)$
72714
Find $P(X\ge 0)$ given distribution of $X$
69082
Show that $\frac{X}{X+Y}\sim Beta(\alpha,\beta)$
126937
If $X$ has a $U[-1, 3]$ distribution and $Y = X^2$, find the probability density function of $Y$ .