document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159865>Question 1159865</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A TV manufacturer knows that their TV's have a normally distributed lifespan, with a mean of 5.5 years, and standard deviation of 0.8 years.\r<BR>\n" );
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document.write( "If a TV is picked at random, 3% of the time its life will be less than how many years?\r<BR>\n" );
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document.write( "Give your answer to one decimal place. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782983 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=782983\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is the 3rd percentile, where z=-1.88<BR>\n" );
document.write( "z=(x-mean)/sd<BR>\n" );
document.write( "-1.88=(x-5.5)/0.8<BR>\n" );
document.write( "x-5.5=-1.504<BR>\n" );
document.write( "x=3.996 or 4.0 years. </SPAN>\n" );
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