document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=740770>Question 740770</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Need help with this problem:\r<BR>\n" );
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document.write( "The mean time to complete a task for a group of employees is 5.3 seconds with a standard deviation of 1.6 seconds. If a random sample of 60 employees is selected, what is the probability that the mean time for these employees is less than 5 seconds? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451798 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=451798\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The mean time to complete a task for a group of employees is 5.3 seconds with a standard deviation of 1.6 seconds. <BR>\n" );
document.write( "If a random sample of 60 employees is selected, what is the probability that the mean time for these employees is less than 5 seconds?<BR>\n" );
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document.write( "z(5) = (5-5.3)/[1.6/sqrt(60)] = 1.4524<BR>\n" );
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document.write( "P(x < 5) = P(z < 1.4524) = normalcdf(-100,1.4524) = 0.9268<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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