document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=135525>Question 135525</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073534961/algebrahomeworkh>Statistics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A recent study of 100 people in Miame found 27 were obese.  Find the 90% confidence interval of the population proportion of individuals living in Miami who are obese.<BR>\n" );
document.write( "I think I started the problem correct but i'm not sure where to go from here...<BR>\n" );
document.write( ".27- </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99345 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=99345\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A recent study of 100 people in Miame found 27 were obese. Find the 90% confidence interval of the population proportion of individuals living in Miami who are obese.<BR>\n" );
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document.write( "p-hat = 27/100 = 0.27<BR>\n" );
document.write( "The standard error = E = 1.645*sqrt[0.27*0.73/100] = 0.0730<BR>\n" );
document.write( "90% CI: 0.27-0.0730 < p < 0.27+0.073<BR>\n" );
document.write( "90% CI: 0.1970 < p < 0.3430<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );