English Dictionary

joint probability

noun

The probability distribution of a random variable whose sample space is the Cartesian product of the sample spaces of its (at least two) component random variables.

The joint probability of two events occurring together is calculated by multiplying their individual probabilities.

意味（1）

The probability distribution of a random variable whose sample space is the Cartesian product of the sample spaces of its (at least two) component random variables.

意味（2）

The probability that two events will occur simultaneously.

Given two events A and B in the same probability space with P(B)>0, the conditional probability of A given B is defined as the quotient of the unconditional joint probability of A and B, and the unconditional probability of B.ᵂᴾ