document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1081973>Question 1081973</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A random sample of 47 cars in the drive thru of a popular fast food restaurant revealed an average bill of $17.92 per car. The population standard deviation is $6.35. Estimate the mean bill for all cars from the drive thru with 96% confidence. Round your answers to two decimal places. <BR>\n" );
document.write( "$_______ < u < $___________<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #696056 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=696056\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  A random sample of 47 cars in the drive thru of a popular fast food restaurant revealed an average bill of $17.92 per car. The population standard deviation is $6.35. Estimate the mean bill for all cars from the drive thru with 96% confidence. Round your answers to two decimal places.<BR>\n" );
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document.write( "sample mean:: 17.92<BR>\n" );
document.write( "ME = z*s/sqrt(n) = 1.8807*6.35/sqrt(47) = 1.7421<BR>\n" );
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document.write( "96% CI:: 17.92-1.7421 < u < 17.92+1.7421 <BR>\n" );
document.write( "$16.18 < u < $19.66<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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