Question

define probability of an event

Answer 1

probably of a event is the probability that how much is the chance that the event happens it is abbreviated asP(E) it is always belongs to the set [1;2] P(E)= no of favourable outcome/total outcomes

Answer 2

P(E) of an event can be defined as
P(E)= no. of outcomes favorable to E/no. of all possible outcomes of the experiment
where we assume that the outcomes of the experiment are equally likely.