document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1059036>Question 1059036</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 5.	Assume the average length of stay in a hospital for chronic disease is 60 days with a standard deviation of 15. If the stay has a normal distribution, find out the probability that a randomly selected patient from this group will have a length of stay that is: <BR>\n" );
document.write( "a.	Less than 30 days<BR>\n" );
document.write( "b.	Between 30 and 60 days <BR>\n" );
document.write( "c.	Greater than 90 days<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 #674111 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=674111\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "for the first<BR>\n" );
document.write( "z=(30-60)/15<BR>\n" );
document.write( "want p(z<-2) and that is 0.0228<BR>\n" );
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document.write( "want the probability of z being between -2 and +2. That is the complement of double the first or 0.9544<BR>\n" );
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document.write( "Greater than 90 days is the same as fewer than 30 days or 0.0228. The normal distribution function is symmetrical. </SPAN>\n" );
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