document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=827862>Question 827862</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4. Tennis-Warehouse recently conducted a study of long distance phone calls made by its employees. The study showed that the length of the calls has a mean of 3.2 minutes, a standard deviation of 0.50 minutes and it follows the normal probability distribution.  <BR>\n" );
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document.write( "(a) What portion of the calls was between 3.2 and 4 minutes?<BR>\n" );
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document.write( "(b) What portion of the calls was more than 4 minutes?\r<BR>\n" );
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document.write( "(c) What portion of the calls was between 4 and 4.5 minutes?\r<BR>\n" );
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document.write( "(d) What portion of the calls was between 3 and 4.5 minutes?<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 #498911 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=498911\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a\r<BR>\n" );
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document.write( "Answer  0.445\r<BR>\n" );
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document.write( "b\r<BR>\n" );
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document.write( "Answer  0.055\r<BR>\n" );
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document.write( "If you need more help you can contact me at \r<BR>\n" );
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document.write( "mthman@gmail.com\r<BR>\n" );
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document.write( "Thanks\r<BR>\n" );
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