document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=594668>Question 594668</A>: <I><SPAN STYLE=\"word-break: break-all;\"> for a daily lottery, a person selects a three-digit number.  If the person plays for $1, she can win $500.  Find the expectation.  In the same daily lottery, if a person boxes the number 123, she will win $80.  Find the expectation if the number 123 is played for $1 and boxed </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #376841 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=376841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a)<BR>\n" );
document.write( "The probability that any single number will be the lucky  DISABLED_event_one=  1/10^3 = 1/1000<BR>\n" );
document.write( "E=ap Where a is the amount and p the probability.<BR>\n" );
document.write( "E = 500 * 1/1000 = $0.50<BR>\n" );
document.write( ".<BR>\n" );
document.write( "b)<BR>\n" );
document.write( "123 box = 3! = 6 chances to win<BR>\n" );
document.write( "E = 80 * 6/1000 = 480/1000 = $0.48<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );