document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1103157>Question 1103157</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The amount of time required to assemble a component on a factory assembly line is normally distributed with a mean of 3.1 minutes and a standard deviation of 0.7 minute. Find the probability that a randomly selected employee will take the given amount of time to assemble the component. (Round your answers to four decimal places.)\r<BR>\n" );
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document.write( "(a) more than 3.8 minutes\r<BR>\n" );
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document.write( "(b) between 2.0 and 2.6 minutes<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #717869 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=717869\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "a.  (3.8-3.1)/0.7=1<BR>\n" );
document.write( "P(z>1)=0.1587<BR>\n" );
document.write( "b.(2-3.1)/0.7=-1.1/0.7=-1.57<BR>\n" );
document.write( "(2.6-3.1)/0.7=-0.5/0.7=-0.71<BR>\n" );
document.write( "P(z between -0.71 and -1.57)=0.1806 (corrected) </SPAN>\n" );
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