document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181008>Question 181008</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A survey showed that 24% of college students read newspapers on a regular basis and that 82% of college students regularly watch the news on TV. The survey also showed that 21% of college students both follow TV news regularly and read newspapers regularly. \r<BR>\n" );
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document.write( "(a) What is the probability that a student watches TV news regularly, given that he or she regularly reads newspapers? Round your answer to 2 decimal places. <BR>\n" );
document.write( "(b) What is the probability that a randomly selected college student reads newspapers regularly, given that he or she watches TV news regularly? Round your answer to 2 decimal places. \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 #135683 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=135683\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A survey showed that 24% of college students read newspapers on a regular basis and that 82% of college students regularly watch the news on TV.<BR>\n" );
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document.write( "The survey also showed that 21% of college students both follow TV news regularly and read newspapers regularly. \r<BR>\n" );
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document.write( "(a) What is the probability that a student watches TV news regularly, given that he or she regularly reads newspapers? Round your answer to 2 decimal places.<BR>\n" );
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document.write( "Ans: P(watches TV|reads newspapers) = [P(TV and newspapers)/P(newspapers)<BR>\n" );
document.write( "= 0.21/0.24 = 0.875<BR>\n" );
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document.write( "(b) What is the probability that a randomly selected college student reads newspapers regularly, given that he or she watches TV news regularly? Round your answer to 2 decimal places. <BR>\n" );
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document.write( "Ans: P(newspapers | watches TV) = [P(newspapers and TV)] / P(TV)<BR>\n" );
document.write( "= 0.21/0.82 = 0.2561...<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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