document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1029247>Question 1029247</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a survey, 40% of the voters support Mr. Smith as a candidate for presidency. If 8 voters are chosen at random, then let X = number of voters who support Mr. Smith.<BR>\n" );
document.write( "a.	What is the distribution of X?<BR>\n" );
document.write( " <BR>\n" );
document.write( "b.	What are the possible values of X (range)?\r<BR>\n" );
document.write( "\n" );
document.write( "c.	What is the expectation (mean) of X?<BR>\n" );
document.write( "  <BR>\n" );
document.write( "d.	What is the variance of X?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #644316 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=644316\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/display-illustration.mpl?tutor=Fombitz&illustration_name=X.JPG\">.<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "b.0-8<BR>\n" );
document.write( "c. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu=3.2 ALIGN=MIDDLE  ALT=\"mu=3.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V=1.92 ALIGN=MIDDLE  ALT=\"V=1.92\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );