document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=531252>Question 531252</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A report states that 46% of car owners had a V8 engine. How large a sample is needed to estimate the true proportion of car owners who have V8 engines to within 3% with 96% confidence? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #350386 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=350386\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A report states that 46% of car owners had a V8 engine. How large a sample is needed to estimate the true proportion of car owners who have V8 engines to within 3% with 96% confidence?<BR>\n" );
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document.write( "n = [z/E]^2*pq<BR>\n" );
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document.write( "n = [2.05/0.03]^2*0.46*0.54 = 1165 when rounded up<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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