document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1025647>Question 1025647</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A medical school claims that more than 28% of its students plan to go into general practice. It is 29) found that among a random sample of 130 of the school's students, 32% of them plan to go into<BR>\n" );
document.write( "general practice.Find the P-value for a test of the school's claim. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #640955 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=640955\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a one-tail test.<BR>\n" );
document.write( "Ho: p<=0.28<BR>\n" );
document.write( "Ha: p>0.28<BR>\n" );
document.write( "alpha=0.05<BR>\n" );
document.write( "critical value: z>1.645<BR>\n" );
document.write( "The actual number of students for 32% is 42. The actual percentage was 32.3%<BR>\n" );
document.write( "z=(0.323)-0.28)/sqrt{(.28)(.72)/130}=0.043/.039=1.10<BR>\n" );
document.write( "Insufficient evidence to reject Ho.  The percentage may not be more than 28%. <BR>\n" );
document.write( "The p-value is 0.14 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );