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PROBABILITY

  • Introduction to Probability

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BLAISE PASCAL

(1623 - 1662)

PIERRE DE FERMAT

(1601 - 1665)

PIERRE SIMON LAPLACE�(1749 - 1827)

BUFFON

(1707 - 1788)

KARL PEARSON

(1857 - 1936)

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Random Experiment :

​

Hence,

Possible Results

For eg : Rolling of a Die

The result of a random experiment.

Outcome

Number of all possible outcomes = 6

Here, we assume that each outcome is likely to occur equally as other.

1,

2,

3,

4,

5,

6

Equally Likely Outcomes

1,

2,

3,

4,

5,

6

What is a random experiment ?

What is an outcome ?

It is an experiment in which all the possible

results are known in advance but they cannot be predicted with certainty.