Relative frequency theory 3. Divide the number of favored outcomes by the total number of equipossible outcomes. Computations are independent of any sensory information or facts about the process that generates the outcome. How, when and where the coin is tossed is irrelevant. Divide the number of observed favored outcomes by the number of observed outcomes.
Probability is a measure of an individual's confidence.
This is a subjective interpretation of probability that permits diferent assignments among different evaluaitons. Several dimensions of the compound events are important. Otherwise they are independent. One can't do both on one draw. Be sure to consider all favorable combinations.