document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=362035>Question 362035</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A TV special says there is a 10% incidence of sexually transmitted disease(STD)among all U.S. teens. A reporter fo the Rockville Bugle, looking for a story, surveyed 260 randomly chosen teenagers, and found that 39 had been to a clinic for STD treatment. Using a right tail test at a significance level of 0.05, the test statistic is:<BR>\n" );
document.write( "A. 2.687<BR>\n" );
document.write( "B. 2.758<BR>\n" );
document.write( "C. 0.0256<BR>\n" );
document.write( "D. 2.258 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #258359 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=258359\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A TV special says there is a 10% incidence of sexually transmitted disease(STD)among all U.S. teens. A reporter fo the Rockville Bugle, looking for a story, surveyed 260 randomly chosen teenagers, and found that 39 had been to a clinic for STD treatment. Using a right tail test at a significance level of 0.05, the test statistic is:<BR>\n" );
document.write( "t(39/260) = (0.15-0.10)/[sqrt(0.10*0.90/260)] = 2.687<BR>\n" );
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document.write( "Cheeers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "A. 2.687<BR>\n" );
document.write( "B. 2.758<BR>\n" );
document.write( "C. 0.0256<BR>\n" );
document.write( "D. 2.258<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );