document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1124047>Question 1124047</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If P(A) = 0.2, P(B) = 0.32, and P(A and B) = 0.01, then P(A|B) = ?\r<BR>\n" );
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document.write( "I have tried P(A|B) = P(B and A)/ P(B)\r<BR>\n" );
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document.write( "Meaning: 0.32 * 0.2 = .064 / 0.32 = .2\r<BR>\n" );
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document.write( "I'm not sure if this is correct but I got it wrong when I first submitted it so I'm assuming something isn't right here. I'm just trying to follow what my textbook gave me but I keep getting it wrong anyway..? \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #740419 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=740419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=\"black\" face=\"times\" size=\"3\"><BR>\n" );
document.write( "P(A and B) = P(B and A) = 0.01<BR>\n" );
document.write( "P(B) = 0.32\r<BR>\n" );
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document.write( "P(A|B) = P(A and B)/P(B)<BR>\n" );
document.write( "P(A|B) = 0.01/0.32<BR>\n" );
document.write( "P(A|B) = <font color=red>0.03125 which is the final answer</font>\r<BR>\n" );
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document.write( "Round that value however you need to. Note how P(A) isn't used at all since we know for certain that event B has happened, we don't worry about the event solely based on A. Though we do deal with event A partially when it comes to P(A and B).<BR>\n" );
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