document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=265967>Question 265967</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Create a bell shaped graph for the three solutions\r<BR>\n" );
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document.write( "a.68.26% of all such children watch between 18.24 and 30.57 hours of TV per week\r<BR>\n" );
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document.write( "b. 95.44% of all such children watch between 24.5-2*6.23 and 24.5+2*6.23 hours of TV per week\r<BR>\n" );
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document.write( "c. 99.74% of all such children watch between 24.5-3*6.23 and 24.5+3*6.23 hours of TV per week<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 #195480 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=195480\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Create a bell shaped graph for the three solutions <BR>\n" );
document.write( "a.68.26% of all such children watch between 18.24 and 30.57 hours of TV per week<BR>\n" );
document.write( "Sketch a bell-shaped curve.<BR>\n" );
document.write( "Select a point on the horizontal axis 1 standard deviation to the right<BR>\n" );
document.write( "and another 1 standard deviation to the left of the middle of the interval<BR>\n" );
document.write( "under the curve.<BR>\n" );
document.write( "Mark the middle 24.5 (the average of 18.24 and 30.57)<BR>\n" );
document.write( "Mark the left point 18.24; Mark the right point 30.57<BR>\n" );
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document.write( "b. 95.44% of all such children watch between 24.5-2*6.23 and 24.5+2*6.23 hours of TV per week<BR>\n" );
document.write( "Same as \"a\" except you pick points that are 2 standard deviations to the<BR>\n" );
document.write( "right and 2 to the left.  Mark the left 24.5-2*6.23 =12.04 ; Mark the right<BR>\n" );
document.write( "24.5+2*6.23 = 36.96<BR>\n" );
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document.write( "c. 99.74% of all such children watch between 24.5-3*6.23 and 24.5+3*6.23 hours of TV per week<BR>\n" );
document.write( "Same as \"a\" and \"b\" except 3 to the right and 3 to the left.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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