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Expectation
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Expectation of the maximum of two exponential random variables
December 29th, 2022
probability-distributions
exponential-distribution
expectation
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
expectation
random-variables
probability
The conditional expectation of a positive random variable is positive
October 26th, 2022
probability-theory
probability
expectation
Statistics (expectation)
August 1st, 2022
expectation
probability
expected value of multiplication of random matrices
August 1st, 2022
probability
random-matrices
expectation
Expectation of $XY$ given $X$ and expectation of $Y$ conditional on $X$
August 1st, 2022
probability
expectation
conditional-expectation
Explanation of linearity of expectation
April 6th, 2020
random-variables
expectation
Expected value of minimum of $n$ Gamma functions?
November 4th, 2020
gamma-distribution
probability
probability-distributions
expectation
gamma-function
Expectation of norm of a random variable
May 14th, 2020
expectation
Equivalence of two formulas for variance and covariance
August 25th, 2020
covariance
expectation
probability
statistics
The skewness coefficient for given pdf?
August 1st, 2022
probability
expectation
density-function
Existence proof for a random variable $X$ where $\operatorname{E}[X]$ exists, and $\operatorname{E}[X^2]$ doesn't
August 1st, 2022
probability
expectation
random-variables
Approximately calculate the probability that the average lifetime of all the bulbs in a particular box exceeds $2500$ hours.
August 1st, 2022
central-limit-theorem
expectation
probability
variance
How to find E(x) and Var(x) in this specific continuous probability distribution.
July 23rd, 2020
expectation
probability
probability-distributions
continuity
Expected numbers of boys in a family
August 1st, 2022
probability
expectation
finding the mean = 0 after finding probability distribution
August 1st, 2022
expectation
probability
4 fair dice are rolled. Find the expected total of the rolls.
November 14th, 2020
expectation
Expectation for Trinomial distribution
February 4th, 2020
multinomial-theorem
bivariate-distributions
expectation
Expectation of concave function
August 1st, 2022
probability
expectation
How many flips to get at least one heads and at least one tails?
August 1st, 2022
probability
expectation
conditional-probability
Expected number of events, which occured at least once, after another event occured k times
August 1st, 2022
probability
expectation
combinatorics
How do I calculate the Expectation value?
March 1st, 2020
expectation
matrices
Finding expected value of E(Y^2)
August 1st, 2022
expectation
uniform-distribution
Roll a 6-sided fair die until a 6 appears. Let X = the number of 1's that are rolled. Find Var(X).
August 1st, 2022
expectation
random-variables
statistics
Prove properties of Expectation for multiple random variables.
March 11th, 2020
expectation
probability
How to find expected value of a portion of the normal distribution?
November 3rd, 2020
normal-distribution
expectation
probability
problem-solving
Expected value and variance of random process
August 18th, 2020
random-variables
stochastic-processes
probability
expectation
Expectation of Cauchy distribution
August 1st, 2022
expectation
Expected delay problem on expectation based on uniform distribution
May 6th, 2021
expectation
probability-theory
probability-distributions
Expectation and Variance of location scale exponential distribution
March 4th, 2020
expectation
probability-distributions
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