document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1166679>Question 1166679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose the distribution of distribution of the number of days the typical college student consumes alcohol per year has a mean of μ = 90 and σ = 7.2. If a student consumes alcohol less often than 90% of his or her peers, how often does he or she drink? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #791281 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=791281\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the 10th percentile has z= -1.282<BR>\n" );
document.write( "z=(x-mean)/sd<BR>\n" );
document.write( "so-1.282=(x-90)/7.2<BR>\n" );
document.write( "-9.23=x-90<BR>\n" );
document.write( "x=80.77 days or 81 days a year.<BR>\n" );
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