document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=979782>Question 979782</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an accounting professor claim less than one quarter of undergraduate business students will major in accounting. what is the probability that random sample of 1200 undergraduate business students, 336 or more will major in accounting? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #601039 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=601039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One sample proportion<BR>\n" );
document.write( "Ho=p<0.25<BR>\n" );
document.write( "Ha=p>=0.25<BR>\n" );
document.write( "alpha =0.05 (choose)<BR>\n" );
document.write( "one-tail test<BR>\n" );
document.write( "critical value: z>1.645<BR>\n" );
document.write( "(336/1200)=0.28\r<BR>\n" );
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document.write( "standard error: sqrt{ (0.25)*(0.75)/1200}=0.0125\r<BR>\n" );
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document.write( "z=(0.28-0.25)/0.0125  = 2.4.  This exceeds the critical value and the null hypothesis is rejected with p,0.01.\r<BR>\n" );
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