document.write( "Question 863100: What's the probability of a student having a x cell phone, if it is given that he has a y cell phone?\r
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Algebra.Com's Answer #520201 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "P(A|B) = P(A and B)/P(B)
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document.write( "P(x |y =  \n" );
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