New post in Random-variables

Probability density function of dependent random variable

December 7th, 2022

Find PDF of $X-Y$

July 23rd, 2022

If $X$ is a non negative random variable with $E[X]=25$, what can be said about $E[X^3]$, $E[\sqrt{X}]$, $E[\ln X]$, and $E[e^{-X}]$?

October 28th, 2022

A fair coin is tossed until both heads and tails apear

August 1st, 2022

Let $X$ be a standard normal random variable and $Y = X^2$.

August 1st, 2022

Probability of one of the 3 independent uniform random variable being greater than rest of two.

September 27th, 2020

Explanation of linearity of expectation

April 6th, 2020

If X,Y and Z are independent, are X and YZ independent?

July 28th, 2020

PDF of function of uniform random variable

July 14th, 2020

Find the density function of $Z=X+Y$ when $X$ and $Y$ are standard normal

July 20th, 2020

finding out the probability density of a random process

September 10th, 2020

When to use likelihood ratio test?

January 21st, 2020

Joint density of two exponential random variables

January 12th, 2020

Probability Density Function of non decreasing function

May 9th, 2020

probability of playing music player on shuffle and listening to every song.

August 1st, 2022

Calculating average distance of the dart from a bullseye, with two different Gaussian random variables.

November 9th, 2020

Fine the value of k such that this game is fair (E(X) = 0)

October 20th, 2020

Existence proof for a random variable $X$ where $\operatorname{E}[X]$ exists, and $\operatorname{E}[X^2]$ doesn't

August 1st, 2022

Distribution of the sum of squares of normal random variables

August 1st, 2022

Pseudo-inverse of the Cumulative Distribution Function of $X$

August 1st, 2022

Determine the upper and lower bounds of the expected value of a random variable

March 3rd, 2020

What distribution does X/(X+Y), follow, when X and Y are gamma distributed. Prove that the R.V is independent of (X+Y)

February 14th, 2020

How to compute the probability that X is within 1 standard deviation of its mean for pareto?

March 16th, 2020

Conditional expectation from two independent random variables

August 1st, 2022

Double integral of Dirac Delta Function

April 30th, 2020

Show Marsaglia polar method produce the standard normal distribution

October 26th, 2020

How to find the PMF of a discrete random variable that is a function of another random variable and a positive number?

September 30th, 2020

Expected number of Failures within K trials for Binomial RV

December 5th, 2020

Convolutions: Let U~Unif(0,1) and X~Expo(1), independently. Find the PDF of U +X.

December 9th, 2020

How to calculate E[Xi Xj]?

May 24th, 2020