document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=970724>Question 970724</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the expected value of X.\r<BR>\n" );
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document.write( "X|  2 | 4 |  5 |  7 | 10<BR>\n" );
document.write( "P|0.2|0.1|0.25|0.05|0.4\r<BR>\n" );
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document.write( "A. 5.6<BR>\n" );
document.write( "B. 5.95<BR>\n" );
document.write( "C. 6.25<BR>\n" );
document.write( "D. 6.4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #593438 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=593438\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine the expected value of X. <BR>\n" );
document.write( "X| 2 | 4 | 5 | 7 | 10<BR>\n" );
document.write( "P|0.2|0.1|0.25|0.05|0.4 <BR>\n" );
document.write( "A. 5.6<BR>\n" );
document.write( "B. 5.95<BR>\n" );
document.write( "C. 6.25<BR>\n" );
document.write( "D. 6.4\r<BR>\n" );
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document.write( "Solution:<BR>\n" );
document.write( "The expected value of X is equal to<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sum%28xP%28x%29%29+=+2%280.2%29+%2B+4%280.1%29+%2B+5%280.25%29+%2B+7%280.05%29+%2B+10%280.4%29+=+highlight%286.4%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Answer: D. 6.4 </SPAN>\n" );
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