document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1161334>Question 1161334</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A large retail company encourages its<BR>\n" );
document.write( "employees to get customers to apply for the store credit<BR>\n" );
document.write( "card. Below is the distribution for the number of credit<BR>\n" );
document.write( "card applications received per employee for an 8-hour<BR>\n" );
document.write( "shift.\r<BR>\n" );
document.write( "\n" );
document.write( "X   P(X)\r<BR>\n" );
document.write( "\n" );
document.write( "0    0.27\r<BR>\n" );
document.write( "\n" );
document.write( "1    0.28\r<BR>\n" );
document.write( "\n" );
document.write( "2    0.20\r<BR>\n" );
document.write( "\n" );
document.write( "3    0.15\r<BR>\n" );
document.write( "\n" );
document.write( "4    0.08\r<BR>\n" );
document.write( "\n" );
document.write( "5    0.02 \r<BR>\n" );
document.write( "\n" );
document.write( "a. What is the probability that an employee will get 2<BR>\n" );
document.write( "or 3 applications during any given shift?\r<BR>\n" );
document.write( "\n" );
document.write( "b. Find the mean, variance, and standard deviation for<BR>\n" );
document.write( "this probability distribution. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #784847 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=784847\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large P(2\,or\,3)\ =\ P(2)\ +\ P(3)\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The mean, <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \mu\ =\ \sum_{X=0}^5\,XP(X)\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The variance, <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \sigma^2\ =\ \sum_{X=0}^5\,(X\,-\,\mu)P(X)\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The standard deviation, <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \sigma\ =\ \sqrt{\sigma^2}\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Everything you need is right there, you just have to do the arithmetic.<BR>\n" );
document.write( "								<BR>\n" );
document.write( "								<BR>\n" );
document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg\"><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );