document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=954948>Question 954948</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average weight of black bears (Ursus americanus) found in a certain area in the western Upper Peninsula of Michigan, is 310 lbs.  Assume that the population standard deviation is 32 lbs. and also assume that the population of weights exhibits an approximate normal distribution.  \r<BR>\n" );
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document.write( "Find the probability that a black bear selected at random is between 250 lbs. and 350 lbs<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 #583604 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=583604\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the two z scores,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B1%5D=%28250-310%29%2F32=-1.875 ALIGN=MIDDLE  ALT=\"z%5B1%5D=%28250-310%29%2F32=-1.875\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B2%5D=%28350-310%29%2F32=1.25 ALIGN=MIDDLE  ALT=\"z%5B2%5D=%28350-310%29%2F32=1.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find the corresponding probability,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B1%5D=0.030396 ALIGN=MIDDLE  ALT=\"P%5B1%5D=0.030396\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B2%5D=0.89435 ALIGN=MIDDLE  ALT=\"P%5B2%5D=0.89435\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=P%5B2%5D-P%5B1%5D ALIGN=MIDDLE  ALT=\"P=P%5B2%5D-P%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=0.864 ALIGN=MIDDLE  ALT=\"P=0.864\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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