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Question

What is the formula for conditional probability?


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Solution

Conditional probability:

The probability of happening of an event when another event relevant to the first event has already occurred is called conditional probability.

The probability of occurrence of any event A when another event B in relation to A has already occurred is,

P(A|B)=P(AB)P(B)

Hence,the formula for conditional probability is P(A|B)=P(AB)P(B)


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