document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155460>Question 1155460</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Hi, can you help me solve this question? <BR>\n" );
document.write( "  I am doing it with the calculator these are the steps that I am doing <BR>\n" );
document.write( "STAT, TInterval, Input: Stats, X: 31, Sx:15, n:14, C-Level:.95  <BR>\n" );
document.write( "This is what I got (22.339, 39.661)<BR>\n" );
document.write( "but this is incorrect and I don't know what I am doing wrong.                                                                            <BR>\n" );
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document.write( " In a survey, 14 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $31 and standard deviation of $15. Estimate how much a typical parent would spend on their child's birthday gift (use a 95% confidence level).\r<BR>\n" );
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document.write( "Give your answers to one decimal place. Provide the point estimate and margin or error.\r<BR>\n" );
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document.write( "Thank you <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 #778107 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=778107\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The numbers of the interval are correct both by calculator and by the formula doing by hand.\r<BR>\n" );
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document.write( "The point estimate is $31.0<BR>\n" );
document.write( "The margin of error is +/-$8.66 or $8.7\r<BR>\n" );
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document.write( "The interval per se was not asked for and the results need to be one decimal place as odd as that is for dollars.  Perhaps that may be the issue. </SPAN>\n" );
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