document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981603>Question 981603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let Z be a standard normal random variable.  Calculate the following probabilities:<BR>\n" );
document.write( "P ( Z <= -1.56)<BR>\n" );
document.write( "P ( Z > -1.07)<BR>\n" );
document.write( "P ( 0.88 < Z < 1.37)\r<BR>\n" );
document.write( "\n" );
document.write( "I did the last one on a calculator and came up with 0.587.  I'm not confident that I did it correctly.  All the previous ones in the homework look like this:<BR>\n" );
document.write( "P ( Z <= c) = 0.8340.  How do I find the probability without the c? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602573 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=602573\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Let Z be a standard normal random variable. Calculate the following probabilities:<BR>\n" );
document.write( "P ( Z <= -1.56) = normalcdf(-100,-1.56) = 0.0594<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "P ( Z > -1.07) = normalcdf(-1.07,100) = 0.1423<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "P ( 0.88 < Z < 1.37) = normalcdf(0.88,1.37) = 0.1041<BR>\n" );
document.write( "------------------------------- <BR>\n" );
document.write( "I did the last one on a calculator and came up with 0.587. I'm not confident that I did it correctly. All the previous ones in the homework look like this:<BR>\n" );
document.write( "P ( Z <= c) = 0.8340. How do I find the probability without the c?<BR>\n" );
document.write( "Find the z-value with a left tail of 0.8340<BR>\n" );
document.write( "Ans: invNorm(0.8340) = 0.9701<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" );