document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=955693>Question 955693</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A company management team knows that, in a given quarter, the mean of earnings of firms in their industry is $200,000 with an industry standard deviation of $80,000. Assume a normal distribution. What is the probability that a company makes between $225,000 and $275,000 ? Round your answer to 2 decimal places.\r<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 #584093 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=584093\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the z scores and the corresponding probabilities.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%5B1%5D=%28225000-200000%29%2F80000=0.3125 ALIGN=MIDDLE  ALT=\"z%5B1%5D=%28225000-200000%29%2F80000=0.3125\"   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=%28275000-200000%29%2F80000=0.9375 ALIGN=MIDDLE  ALT=\"z%5B2%5D=%28275000-200000%29%2F80000=0.9375\"   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%5B1%5D=0.62267 ALIGN=MIDDLE  ALT=\"P%5B1%5D=0.62267\"   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=0.825749 ALIGN=MIDDLE  ALT=\"P%5B2%5D=0.825749\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So,<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=0.825749-0.62267 ALIGN=MIDDLE  ALT=\"P=0.825749-0.62267\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P=0.20 ALIGN=MIDDLE  ALT=\"P=0.20\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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