document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=888784>Question 888784</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (b) In a preliminary random sample of 30 small businesses, it was found that five had declared Chapter 11 bankruptcy. How many more small businesses should be included in the sample to be 95% sure that a point estimate will be within a distance of 0.080 from p?   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #537707 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=537707\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (b) In a preliminary random sample of 30 small businesses, it was found that five had declared Chapter 11 bankruptcy. How many more small businesses should be included in the sample to be 95% sure that a point estimate will be within a distance of 0.080 from p? <BR>\n" );
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document.write( "n = [z/E]^2*pq<BR>\n" );
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document.write( "n = [1.96/0.08]^2*(1/2)^2<BR>\n" );
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document.write( "n = 151 (number of samples needed)\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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