document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=810547>Question 810547</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given that x is a normal variable with mean u = 47 and standard deviation = 6.2, find:<BR>\n" );
document.write( "(A) P(x &#8804; 120), (B) P(x &#8805; 80), (C) P (108 &#8804; x &#8804; 117)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488251 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=488251\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given that x is a normal variable with mean u = 47 and standard deviation = 6.2, find:<BR>\n" );
document.write( "(A) P(x &#8804; 120) <BR>\n" );
document.write( "z(120) = (120-47)/6.2 = 11.77<BR>\n" );
document.write( "P(x < 120) = P(z < 11.77) = 1<BR>\n" );
document.write( "===================================<BR>\n" );
document.write( "Use the same procedure on B and C.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===============\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(B) P(x &#8805; 80), (C) P (108 &#8804; x &#8804; 117)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );