A probability space is a setS, together with a σ-algebraX on S and a measureP on that σ-algebra such that P(S) = 1.
The set S is called the sample space and the elements of X are called the events.
The measure P is called the probability measure, and P(E) is the probability of the event E.
... is $71,784. Males have a median income of $50,361 versus $31,709 for females. The per capita income for the town is $24,031. 3.6% of the population and 2.4% of families ...