**MATHMAA**

Probability is the science of decision-making with calculated risks in the face of uncertainty.

A numerical measure of uncertainty is provided by a very important branch of Mathematics called the "Theory of Probability" . Broadly, there are three possible states of expectation . 'certainty', 'impossibility' and 'uncertainty' . The Probability theory describes certainty by 1 , impossibility by 0 and the various grades of uncertainties by coefficients ranging between 0 and 1.

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