What is Probability? What is the importance of the chapter Probability? Why do we study the chapter Probability? How many marks are carried by the chapter Probability in class 12 board examinations? What do mean by event? How you can apply the concept of probability in different problems? What do you mean by mutually exhaustive event?
We can express probability as: the number of occurrences of a targeted event divided by the number of occurrences plus the number of failures of occurrences.