English Dictionary

cumulative distribution function

noun

A function which at each point t of the sample space has as its value the probability that a given random variable is less than (or equal) t. In symbols, F_X(t)=Pr(X<t).

The cumulative distribution function provides information about the probability distribution of a random variable.

意味（1）

A function which at each point t of the sample space has as its value the probability that a given random variable is less than (or equal) t. In symbols, F_X(t)=Pr(X<t).