'Probability' or similar words we often use in our daily life as :
Today storm may come or this year least hope that Gaurav will be passed. These statements shows uncertainity. Mathematical measure of this uncertainity is called probability.
Example : If a coin is tossed then out of head and tail which one appear on top ? Its pre-estimation is not possible because both cases are equally, likely in such cases, we find what is the probability to get a specific result.
