alleryStart learning →The probability of an event $E$ is defined as
Afavourable outcomes / total outcomes
Btotal outcomes / favourable outcomes
Cfavourable outcomes / unfavourable ones
Dtotal outcomes / the sample space size
Answer & Solution
Correct answer: A. favourable outcomes / total outcomes
1. For equally likely outcomes, probability compares favourable cases to all cases.
2. $P(E) = \dfrac{\text{number of favourable outcomes}}{\text{total number of outcomes}}$.
3. This is the classical (theoretical) definition of probability.
_Source: Karnataka SSLC (KSEEB) Class 10 Mathematics, Ch14 'Probability', §14.1_
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