document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=14994>Question 14994</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi could you please help me with this problem:<BR>\n" );
document.write( "A certain drug has an 80% success rate in relieving the symptoms of migraine.<BR>\n" );
document.write( "In a group of 12 patients what is the probability that;<BR>\n" );
document.write( "6 are helped by the drug<BR>\n" );
document.write( "At least i is helped by the drug<BR>\n" );
document.write( "No more than 2 are still suffering the effects of migraine\r<BR>\n" );
document.write( "\n" );
document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #53283 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=53283\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A certain drug has an 80% success rate in relieving the symptoms of migraine.<BR>\n" );
document.write( "In a group of 12 patients what is the probability that;<BR>\n" );
document.write( "6 are helped by the drug<BR>\n" );
document.write( "At least i is helped by the drug<BR>\n" );
document.write( "No more than 2 are still suffering the effects of migraine <BR>\n" );
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document.write( "These are all binomial because people are either helped or are not helped.<BR>\n" );
document.write( "In a group of 12 patients what is the probability that;<BR>\n" );
document.write( "6 are helped by the drug<BR>\n" );
document.write( "n=12 ; p=0.80 ; x=6<BR>\n" );
document.write( "Using a TI calculator use binompdf(12,0.8,6) to get 0.055<BR>\n" );
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document.write( "At least ? is helped by the drug<BR>\n" );
document.write( "Use [1-binomcdf(12,0.8,?-1)]<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "No more than 2 are still suffering the effects of migraine <BR>\n" );
document.write( "Use binomcdf(12,0.8,2)=4.526 x 10^-6 = 0.000004526<BR>\n" );
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document.write( "If you don't have a TI or are allowed to use a calculator<BR>\n" );
document.write( "let me know.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );