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In probability theory, the joint probability distribution is the probability distribution of all possible pairs of outputs of two random variables that are defined on the same probability space. The joint distribution can just as well be considered for any given number of random variables.
In probability theory, the chain rule [1] (also called the general product rule [2] [3]) describes how to calculate the probability of the intersection of, not necessarily independent, events or the joint distribution of random variables respectively, using conditional probabilities.
The probability distribution of the sum of two or more independent random variables is the convolution of their individual distributions. The term is motivated by the fact that the probability mass function or probability density function of a sum of independent random variables is the convolution of their corresponding probability mass functions or probability density functions respectively.
The Birnbaum–Saunders distribution, also known as the fatigue life distribution, is a probability distribution used extensively in reliability applications to model failure times. The chi distribution. The noncentral chi distribution; The chi-squared distribution, which is the sum of the squares of n independent Gaussian random variables.
It is constructed from the joint probability distribution of the random variable that (presumably) generated the observations. [1] [2] [3] When evaluated on the actual data points, it becomes a function solely of the model parameters.
In probability theory and statistics, a probability distribution is the mathematical function that gives the ... a multivariate distribution (a joint probability ...
The joint probability distribution of random variables X and Y is denoted as (,), while joint probability mass function or probability density function as (,) and joint cumulative distribution function as (,).
In statistics, an exchangeable sequence of random variables (also sometimes interchangeable) [1] is a sequence X 1, X 2, X 3, ... (which may be finitely or infinitely long) whose joint probability distribution does not change when the positions in the sequence in which finitely many of them appear are altered. In other words, the joint ...