document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160748>Question 1160748</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mathematics professor gives an \"extra-credit\" (bonus marks) problem on a test. If it<BR>\n" );
document.write( "is done correctly, 15 points are added to the test score, and if it is done partially<BR>\n" );
document.write( "correctly, 5 points are added; otherwise 5 points are subtracted. Suppose a student's<BR>\n" );
document.write( "probability of getting the problem completely right is 1<BR>\n" );
document.write( "4<BR>\n" );
document.write( ", and only partially correct is 1<BR>\n" );
document.write( "2<BR>\n" );
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document.write( "Find the student's mathematical expectation 𝐸 (expected value) for extra credit.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #784144 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52803)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=784144\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "Look into your post, how it appears at the forum,\r<BR>\n" );
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document.write( "and try to understand, what is written there.\r<BR>\n" );
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document.write( "NEVER POST IN THIS FORMAT (!)\r<BR>\n" );
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