document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981605>Question 981605</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average weight of a medium size egg is found to be 3.2 oz, with a standard deviation of 0.13 oz. What is the heaviest egg (to 2 decimal places) that we are 95% confident is still medium size?\r<BR>\n" );
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document.write( "3.2 oz<BR>\n" );
document.write( "3.33 oz<BR>\n" );
document.write( "3.45 oz<BR>\n" );
document.write( "3.46 oz </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602576 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=602576\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The average weight of a medium size egg is found to be 3.2 oz, with a standard deviation of 0.13 oz. What is the heaviest egg (to 2 decimal places) that we are 95% confident is still medium size?<BR>\n" );
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document.write( "Draw a normal curve.<BR>\n" );
document.write( "Sketch a 95% area centered at 3.2 oz<BR>\n" );
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document.write( "Find the z-value of the upper limit of that area.<BR>\n" );
document.write( "invNorm(0.975) = 1.96<BR>\n" );
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document.write( "Find the corresponding weight value::<BR>\n" );
document.write( "x = z*s + u<BR>\n" );
document.write( "x = 1.96*0.13+3.2 = 3.45 oz<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " <BR>\n" );
document.write( "3.2 oz<BR>\n" );
document.write( "3.33 oz<BR>\n" );
document.write( "3.45 oz<BR>\n" );
document.write( "3.46 oz </SPAN>\n" );
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