document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1198233>Question 1198233</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There is a 30% chance of missing a flight due to long lines at security. If there are 120 people waiting in the security line to make their flight, what is the mean and the standard deviation for the number of people who will miss their flight?\r<BR>\n" );
document.write( "\n" );
document.write( "One of the following is the answer, with the mean listed first and the standard deviation listed second.<BR>\n" );
document.write( "A) 3.6, 25.2<BR>\n" );
document.write( "B) 3.6, 5.02<BR>\n" );
document.write( "C) 36, 25.2<BR>\n" );
document.write( "D) 36, 5.02 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #831800 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=831800\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is a 30% chance of missing a flight due to long lines at security:<BR>\n" );
document.write( "n = 120<BR>\n" );
document.write( "mean = np = .3*120 = 36<BR>\n" );
document.write( "s = npq = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28.3%28.7%29120%29%29 ALIGN=MIDDLE  ALT=\"sqrt%28.3%28.7%29120%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 5.02 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );