document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=388494>Question 388494</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Of the drivers who stop at a gas station, 91% purchase gasoline, and 6% purchase both gasoline and oil. A total of 9% purchase oil.\r<BR>\n" );
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document.write( "(a) What is the probability that a driver purchases gasoline, given that he or she purchases oil? Round your answer to decimal places.<BR>\n" );
document.write( "(b) What is the probability that a driver purchases oil, given that he or she purchases gasoline? Round your answer to decimal places. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275142 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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/cgi-bin/show-face.mpl?user=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=275142\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> n=intersection, G=gas, O=oil<BR>\n" );
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document.write( "a)P(G|O)=P(GnO)/P(O)=.06/.09=2/3<BR>\n" );
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document.write( "b)P(O|G)=.06/.91=.0659<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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