document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=903679>Question 903679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A TEST INVOLVING ONE POPULATION PROPORTION:<BR>\n" );
document.write( "a recent article in USA today reported that job awaits only one in three new college graduates. the major reasons given were an overabundance of college graduates and a weak economy. A survey of 200 recent graduates from your school revealed that 80 students had jobs. at the .02 significant level we can conclude that a larger proportion of graduates at your school have jobs? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548218 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548218\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: p = .33<BR>\n" );
document.write( "Ha: p > .33 (claim)<BR>\n" );
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document.write( "sample proportion = p-hat = 80/200 = 2/5 = .4<BR>\n" );
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document.write( "test stat:: z(x > .4) = (0.4-0.33)/sqrt[(1/3)(2/3)/200] = .07/.03= 2.33<BR>\n" );
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document.write( "p-value = P(z >  2.33) = 1 - P( Z < 2.33) = 1 - .99 = .01\r<BR>\n" );
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document.write( "Since the p-value is less than .02, reject Ho.<BR>\n" );
document.write( "The test results support the claim.<BR>\n" );
document.write( " </SPAN>\n" );
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