document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=477669>Question 477669</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a multiple- choice test, each question has five options. Students will get 3 points for each correct answer. lose 1 point for each incorrect answer, and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her advantage or disadvantage to guess an answer?\r<BR>\n" );
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document.write( "1) Show calculations for expected value.\r<BR>\n" );
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document.write( "2) Show all work to solve the problem. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #327342 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=327342\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a multiple- choice test, each question has five options. Students will get 3 points for each correct answer. lose 1 point for each incorrect answer, and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her advantage or disadvantage to guess an answer? <BR>\n" );
document.write( "1) Show calculations for expected value.<BR>\n" );
document.write( "Random Point Values: 3 , -1 , 0<BR>\n" );
document.write( "Corresponding Probs: 1/5,4/5, 0<BR>\n" );
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document.write( "E(x) = (1/5)*3 + (4/5)*-1 + 0 = (3/5)-(4/5) = -1/5 point per question answered.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "2) Show all work to solve the problem.<BR>\n" );
document.write( "done<BR>\n" );
document.write( " </SPAN>\n" );
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