document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=549771>Question 549771</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in a certain department 40% of the students have internet facility 25% have printing facility and 15% have internet and printing facility student is selected at random from this department (i)if he has internet what is the probabilty that he also has printing facility ?<BR>\n" );
document.write( "(ii) if he has printing facility what is the probabilty that he also has internet ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358039 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=358039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in a certain department 40% of the students have internet facility <BR>\n" );
document.write( "25% have printing facility and <BR>\n" );
document.write( "15% have internet and printing facility <BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "A student is selected at random from this department <BR>\n" );
document.write( "(i)if he has internet what is the probabilty that he also has printing facility ?<BR>\n" );
document.write( "P(p | i) = P(p AND i)/P(i) = 0.15/0.4 = 0.375<BR>\n" );
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document.write( "(ii) if he has printing facility what is the probabilty that he also has internet ?<BR>\n" );
document.write( "P(i | p) = P(p AND i)/P(p) = 0.15/0.25 = 0.6<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=============== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );