document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1133563>Question 1133563</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the Empirical Rule to answer each question.\r<BR>\n" );
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document.write( "During 1 week an overnight delivery company found that the weights of its parcels were normally distributed, with a mean of 32 ounces and a standard deviation of 8 ounces.<BR>\n" );
document.write( "(a) What percent of the parcels weighed between 16 ounces and 40 ounces? (Round your answer to one decimal place.)<BR>\n" );
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document.write( " %\r<BR>\n" );
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document.write( "(b) What percent of the parcels weighed more than 56 ounces? (Round your answer to two decimal places.)<BR>\n" );
document.write( "  % </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #750826 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=750826\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "lower z is (16-32)/8 or -2<BR>\n" );
document.write( "upper z is (40-32/8 or +1<BR>\n" );
document.write( "probability is 0.8186 or 0.8<BR>\n" );
document.write( ">56 would be z>(56-32/8 or +3<BR>\n" );
document.write( "this is probability 0.0013 or 0.00 </SPAN>\n" );
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