document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=63255>Question 63255</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Data obtained from a test of Nicorette gum a chewing gum to help smokers<BR>\n" );
document.write( "If two different subjects are randomly sedected, without replacement find the probability that they are both from the placebo group.<BR>\n" );
document.write( "mouth or throat soreness Nicorette (41) placebo (35)<BR>\n" );
document.write( "no mouth or throat soreness Nicorette (109) placebo (118) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #44046 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=44046\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Data obtained from a test of Nicorette gum a chewing gum to help smokers<BR>\n" );
document.write( "If two different subjects are randomly sedected, without replacement find the probability that they are both from the placebo group.<BR>\n" );
document.write( "mouth or throat soreness Nicorette (41) placebo (35)<BR>\n" );
document.write( "no mouth or throat soreness Nicorette (109) placebo (118)<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "# in Placebo group = 35+118=153<BR>\n" );
document.write( "Total number= 303<BR>\n" );
document.write( "Prob(two from Placebo group)= 153C2/303C2=0.254<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "Another way to do it is <BR>\n" );
document.write( "(153/303)(152/302)=0.254<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );