document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=757689>Question 757689</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At a local grocery plant, employees must complete new machine setups within 30 minutes.New machine set-up times are normally distributed with a mean of 22 minutes and a standard deviation of 4 minutes.<BR>\n" );
document.write( "a. What percent of new machine set ups take more than 30 minutes? <BR>\n" );
document.write( "b. What percent of new machine set ups take between 19 and 25 minutes<BR>\n" );
document.write( "Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460989 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=460989\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Calculate your <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE Z\">-score.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ Z\ =\ \frac{X\ -\ \mu}{\sigma}\">\r<BR>\n" );
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document.write( "For part a, look up the probability for the Z score, the probability for the setup taking LESS than 30 minutes, and subtract from 1 to get the probability of MORE than 30 minutes. \r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "<font face=\"Math1\" size=\"+2\">Egw to Beta kai to Sigma</font><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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