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Probability

   • Probability  


Probability for Class 12 covers topics such as: Conditional probability, Multiplication rule, Random variables, Bayes theorem. 

The formula for the probability of an event "A" is P(A) = n(A)/n(S). In this formula, P(A) is the probability of an event "A", n(A) is the number of favorable outcomes, and n(S) is the total number of events in the sample space. 

To calculate the probability of an event, you can follow these steps:

Identify an event with one result

Identify the total number of results or outcomes and favorable outcomes that can occur

Divide the number of favorable outcomes by the total number of possible outcomes 

The formula for the conditional probability of event A given that B has occurred is P(A|B) = P(A ∩ B)/P(B), provided P(B) ≠ 0.