document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=865732>Question 865732</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a survey,55%of the voters support a referendum.if 40 voters are chosen at random and x is the number of voters that support the referendum fin the mean and variance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #521823 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=521823\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a survey,55%of the voters support a referendum.if 40 voters are chosen at random and x is the number of voters that support the referendum find the mean and variance.\r<BR>\n" );
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document.write( "Binomial Problem with<BR>\n" );
document.write( "mean = np = 40*0.55 = 22 <BR>\n" );
document.write( "var = npq = 40*0.55*0.45 = 9.9<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================== </SPAN>\n" );
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