document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1047260>Question 1047260</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the probability for passing a test (p) is 85% and variance is 0,638, what is the chance that 3 students in a group will not pass the test? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #662775 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=662775\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  If the probability for passing a test (p) is 85% and variance is 0.638, what is the chance that 3 students in a group will not pass the test? <BR>\n" );
document.write( "------<BR>\n" );
document.write( "Variance = p*q*n<BR>\n" );
document.write( "0.638 = 0.85*0.15*n<BR>\n" );
document.write( "n = 5<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "P(x = 3) = 5C3*0.15^3*0.85^2 = binompdf(5,0.15,3) = 0.0244<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "---------------\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );