Banking Exam Notes

In our day to day life we are intrested in knowing the number of ways in which a particular work can be done.  For this, we will have to know all possible ways to do that work and it can be done with the help of Permutations and combination. 

Probability means the chances of happening or occurring of an event. so, in this chapter we discuss about the Predictablity of an event to happen/occur.We usually predict about many events based on certain parameters.  For example Getting a head or tail when a coin is tossed The better we know about the parameters related to an event better will be the accuracy of the result predicted