document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=374880>Question 374880</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the last presidential election 39% of the registerd voters in a certain city actually cast ballots.<BR>\n" );
document.write( "a)In a random sample of 20 voters from that city, what is the probability that exactly 8 voted in the last presidential election?<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 #266640 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=266640\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=.39 and y=.61<BR>\n" );
document.write( "(x+y)^20<BR>\n" );
document.write( "nCr=Combination=n!/((n-r)!r!<BR>\n" );
document.write( ".<BR>\n" );
document.write( "20C8=125970<BR>\n" );
document.write( "125970*x^8*y^12=0.179 the probability that exactly 8 voted.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
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