document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=799246>Question 799246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For classes 0f 268 students, find the mean and standard deviation for the number born on the 4th of july. ignore leap years </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #482655 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=482655\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For classes 0f 268 students, find the mean and standard deviation for the number born on the 4th of july. ignore leap years<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Binomial with n = 268 and P(born on 7/4) = 1/365<BR>\n" );
document.write( "------<BR>\n" );
document.write( "mean = np = 268(1/365) = 0.7342<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "std = sqrt(npq) = sqrt(0.7342*(364/365)) = 0.8557<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );