document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=201218>Question 201218</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073401768/algebrahomeworkh>statistics techniques in business and economics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> a recent issue of bride magazine suggested that couples planning their wedding should expect two-thirds of those who are sent am invitation to respond that they will attend. rich and stacy are planning to be married later this year. They plan to send 197 invitations\r<BR>\n" );
document.write( "\n" );
document.write( "Question: what is the probability exactly 140 will accept the invitation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #151465 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=151465\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a recent issue of bride magazine suggested that couples planning their wedding should expect two-thirds of those who are sent am invitation to respond that they will attend. rich and stacy are planning to be married later this year. They plan to send 197 invitations <BR>\n" );
document.write( "Question: what is the probability exactly 140 will accept the invitation?<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "It's a binomial problem with n = 197 ; p = 2/3 ;x = 140<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "P(x=140) = 197C140 (2/3)^140*(1/3)^53 = 0.2599...<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );