document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=507486>Question 507486</A>: <I><SPAN STYLE=\"word-break: break-all;\">  if x is N(0,4) Find P(1<=x<=2) and P(1<=x<=2 | x>=1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #340480 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=340480\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if x is N(0,4) <BR>\n" );
document.write( "Find P(1<=x<=2) <BR>\n" );
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document.write( "z(1) = (1-0)/4 = 1/4<BR>\n" );
document.write( "z(2) = (2-0)/4 = 1/2<BR>\n" );
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document.write( "P(1<= x <=2) = P(1/4 < z < 1/2) = 0.0928<BR>\n" );
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document.write( "and P(1<=x<=2 | x>=1) <BR>\n" );
document.write( "= P(1<=x<=2 AND x>=1)/P(x>=1) <BR>\n" );
document.write( "= P(1<= x <=2)/P(x>= 1)<BR>\n" );
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document.write( "P(x>=1) = P(z >= 1/4) = 0.4013<BR>\n" );
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document.write( "Ans: 0.0928/0.4013 = 0.2313<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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