document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=512333>Question 512333</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.) Suppose a uniform random variable can be used to describe the outcome of an experiment with outcomes ranging from 20 to 80. What is the probability that this experiment results in an outcome less than 30? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342605 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=342605\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose a uniform random variable can be used to describe the outcome of an experiment with outcomes ranging from 20 to 80. What is the probability that this experiment results in an outcome less than 30?<BR>\n" );
document.write( "---<BR>\n" );
document.write( "mean = (80+20)/2 = 50<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "6*sigma = (80-20) = 60<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "sigma = 10<BR>\n" );
document.write( "---<BR>\n" );
document.write( "z(30) = (30-50)/10 = -2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "P(x < 30) = P(z < -2) = 0.0228<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============= </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );