**Introduction for Finite probability:**

Sample space:

Every non empty subset of sample space is an event.

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Example Problems for finite Probability:**Example 1 :**If a coin is tossed 1000 times with Head : 455, Tail : 545 what will be the probability for each event.

So, the probability of E =`(Number of heads)/(Total number of trials)`

P (E) = `455/1000`

= 0.455

The probability of an event of getting a tail =` (Number of tails)/(Total number of trials)`

P(F) =`545/1000`

= 0.545

Example, P(E) + P(F) = 0.455 + 0.545 = 1, and E and F are two possible outcomes of an each trial.

and No head for 120 times.what is the probability for each of these events.

P(E1) =`105/500`

= 0.21

P(E2) =`275/500`

= 0.55

P(E3) =`120/500`

= 0.24

Between, if you have problem on these topics Finding Probability, please browse expert math related websites for more help on combination probability formula .

Finite Probability is a more same as chance , for obtainimg probability of for an event, we can determine the ratio for number of outcomes favorable to an event, to the total number of equal likely outcomes. For a finite random variable it takes only a finite or countable number of events it is called a discrete random variable.

Set of all possible outcomes for a random experiment it is said to be sample space.