document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=616852>Question 616852</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch.  what is the probabiity that the diameter will exceed 0.815 inch?  please show me how to do this one step by step </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #387977 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=387977\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. what is the probabiity that the diameter will exceed 0.815 inch?<BR>\n" );
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document.write( "How many standard deviations is 0.815 from the mean?<BR>\n" );
document.write( "z(0.815) = (0.815-0.8)/0.01 = 1.5<BR>\n" );
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document.write( "What is the probability that z could be greater than 1.5?<BR>\n" );
document.write( "P(x > 0.0815) = P(z > 1.5) = normalcdf(1.5,100) = 0.06681<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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