document.write( "Question 446000: Can someone please help I have never done this before and I have been out of school for over 10 years. Please Help!!!!!!!!!!!!!!!!\r
\n" ); document.write( "\n" ); document.write( "given that P(A) = 0.3 and P(B) = 0.9, and P(A and B) = 0.18, determine P(B|A). \r
\n" ); document.write( "\n" ); document.write( "a) 0.30
\n" ); document.write( "b) 0.60
\n" ); document.write( "c) 0.15
\n" ); document.write( "d) 0.20 \n" ); document.write( "

Algebra.Com's Answer #307115 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Note: P(A|B) = P(A and B)/P(B)  |P(A|B)read Probability of A, given B occurred
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document.write( "  P(A) = 0.3 and P(B) = 0.9 
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document.write( "P(A and B) = P(A)*P(B) 
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document.write( "In this example:
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document.write( "P(A and B)= .3*.9 = 0.18
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document.write( "P(A|B) = .18/.9 = .2
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