document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=766031>Question 766031</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Would you please solve this problem:\r<BR>\n" );
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document.write( "Q3: A large department store chain is considering opening a new store in a town of 15,000 people.  Before making the decision, a market survey is conducted.  Of 200 persons interviewed, 165 indicated they would patronize the new store. Find a 95% confidence interval on the proportion p of people who will patronize the store.  Use this to give a 95% confidence interval on the number of people who will patronize the store.\r<BR>\n" );
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document.write( "Thanks <BR>\n" );
document.write( "Yazan </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #466607 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=466607\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A large department store chain is considering opening a new store in a town of 15,000 people. Before making the decision, a market survey is conducted. Of 200 persons interviewed, 165 indicated they would patronize the new store. Find a 95% confidence interval on the proportion p of people who will patronize the store. Use this to give a 95% confidence interval on the number of people who will patronize the store. <BR>\n" );
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document.write( "sample proportion:: 165/200 = 0.825<BR>\n" );
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document.write( "ME: 1.96*sqrt[0.825*0.175/200] = 0.0527<BR>\n" );
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document.write( "95% CI: 0.825-0.0527 < P < 0.825+0.0527<BR>\n" );
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document.write( "95% CI: 0.772 < p < 0.878<BR>\n" );
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document.write( "Expexted # of patrons::<BR>\n" );
document.write( "0.772*15000 < x < 0.878*15000<BR>\n" );
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document.write( "11580 < x < 13155<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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