document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168147>Question 1168147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An analysis of the backgrounds of 404 men known to be active in terrorist organizations reported that 78 of these men had engineering degrees.   In the population of men with the potential to be active in terrorist organizations, the proportion with engineering degrees is 3.5%.  \r<BR>\n" );
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document.write( "Does the data provide evidence that engineers are significantly over-represented in terrorist organizations?  Use a 5% significance level. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #792781 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=792781\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 78/404=0.193<BR>\n" );
document.write( "Ho: rate is <=0.035<BR>\n" );
document.write( "Ha: rate is > 0.035<BR>\n" );
document.write( "alpha =0.05 P{reject Ho|Ho true}<BR>\n" );
document.write( "test is a z=(p hat-p)/sqrt(p**1-p/n)<BR>\n" );
document.write( "=0.158/sqrt(0.035*0.965/404)<BR>\n" );
document.write( "=0.158/0.009<BR>\n" );
document.write( "z=17.2  highly significant and the data do provide such evidence.<BR>\n" );
document.write( "P<<0.0001 (essentially 0)\r<BR>\n" );
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