document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1081060>Question 1081060</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the P-value for the indicated hypothesis test. Round all proportions and standard scores to two decimal places. \r<BR>\n" );
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document.write( "A medical school claims that more than 28% of its students plan to go into general practice. It is found that among a random sample of 130 of the school's students, 30% of them plan to go into 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 #695159 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=695159\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z test<BR>\n" );
document.write( "(phat-p)/SE<BR>\n" );
document.write( "SE is sqrt (0.28*0.72/130) and that is 0.0394<BR>\n" );
document.write( "0.02/0.0394=0.51, 1 way test<BR>\n" );
document.write( "We would reject the Ho at at least the 0.25 level; the actual p-value is 0.31; so there is about 1/3 chance we would find a result this extreme or more if the true value were 0.28. </SPAN>\n" );
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