document.write( "Question 855770: please solve this problem if P(A)=0.5, P(B)=0.6 and P(B/A)=0.9 find the probability that i)A & B both happens. ii)at least one of A & B happens. iii)only A happens.
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Algebra.Com's Answer #515578 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "P(A)=0.5, P(B)=0.6 and P(B|A)=0.9   |Assume You mean conditional Probability
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document.write( "P(B|A) = P(B∩A)/P(A)= .9  ⇒ P(B∩A) = 
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document.write( "P(A 0R B) = P(A) + P(B) - P(B∩A)  = .5 + .6 - .9 = .2
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document.write( "P(A) = .5 \n" );
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