If S is the sample space of a random experiment, ‘E’ is any event, then probability of E is denoted by P(E) and is defined as
P(E) = (Number of Simple Events in E / Total Number of Simple Events in S.)
Note that, P(φ) = 0 and P (S) = 1
If S is the sample space of a random experiment, ‘E’ is any event, then probability of E is denoted by P(E) and is defined as
P(E) = (Number of Simple Events in E / Total Number of Simple Events in S.)
Note that, P(φ) = 0 and P (S) = 1