document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=128442>Question 128442</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/013113941x/algebrahomeworkh>Fundamentals of Mathematics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> In a wheel game show four prize are hidden on the wheel which contains 20 spaces. One prize is worth $500, two prizes are worth $1000 each, and the other prize is worth $3000. The remaining spaces contain no prizes. If a contestant picks a space at random, what is the mathematical expectation?\r<BR>\n" );
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document.write( "This question has given me a headache. Thank you for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94119 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=94119\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> this courtesy of Wikipedia...<BR>\n" );
document.write( "\"In probability theory the expected value (or mathematical expectation, or mean)<BR>\n" );
document.write( "__ of a discrete random variable is the sum of the probability of each possible outcome<BR>\n" );
document.write( "__ of the experiment multiplied by the outcome value (or payoff).\"\r<BR>\n" );
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document.write( "multiply the value of each prize by the probability of the prize<BR>\n" );
document.write( "__ add all the products together to get the \"mathematical expectation\" </SPAN>\n" );
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