document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=86399>Question 86399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For a sample of size n=60, proportion p=0.35, and at a 95% confidence level, the lower bound of the proportion is...\r<BR>\n" );
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document.write( "A. 0.229<BR>\n" );
document.write( "B. 0.121<BR>\n" );
document.write( "C. 0.175<BR>\n" );
document.write( "D. 0.414 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #62509 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=62509\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a sample of size n=60, proportion p-hat=0.35, and at a 95% confidence level, the lower bound of the proportion is... <BR>\n" );
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document.write( "p-hat-E is the lower bound<BR>\n" );
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document.write( "Since p-hat = 0.35 s=sqrt(0.35*0.65/60) = 0.06157<BR>\n" );
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document.write( "For 95% confidence z* = 1.96<BR>\n" );
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document.write( "Therefore E = 1.96*0.06157 = 0.1206899..<BR>\n" );
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document.write( "Therefore lower bound = 0.35-0.1206899 = 0.22931..<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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