document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1135522>Question 1135522</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assume that the drawer contains 15 coins: 4 quarters, 6 dimes, and 5 nickels. One coin is randomly selected.<BR>\n" );
document.write( "What is the expected value of the coin selected (in cents)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #753138 by </B><A HREF=/tutors/aboutme.mpl?userid=VFBundy><B>VFBundy(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=VFBundy><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=VFBundy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=753138\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Probability of choosing a quarter = 4/15<BR>\n" );
document.write( "Probability of choosing a dime = 6/15<BR>\n" );
document.write( "Probability of choosing a nickel = 5/15<br><BR>\n" );
document.write( "Multiply the probability of a coin by its value:<br><BR>\n" );
document.write( "4/15 * 25 cents = 6.6667 cents<BR>\n" );
document.write( "6/15 * 10 cents = 4.0000 cents<BR>\n" );
document.write( "5/15 * 5 cents =  1.6667 cents<br><BR>\n" );
document.write( "Add all these together to find the expected value:<br><BR>\n" );
document.write( "6.6667 + 4.0000 + 1.6667 = 12.3334<br><BR>\n" );
document.write( "So, the expected value is 12-1/3 cents.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );