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34 votes
iven thatP(A)=0.3 and P(A      and      B)=0.27,find P(B|A).P(B|A)= Enter your answer in accordance to the question statement

User Andrey Ischencko
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1 Answer

6 votes
6 votes

The probability of an event B given event A is:


P(B|A)=(P(B\cap A))/(P(A))

Substitute P(A) = 0.3 and P(B∩A) = 0.27 into the equation:


P(B|A)=(0.27)/(0.3)=0.9

Therefore, the value of P(B|A) = 0.9

User Jcrudy
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