document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=602089>Question 602089</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a large U.S. city a study was conducted to determine the typical commute time from home to the work place. The data was normally distributed with a mean commute time of 19 minutes and a standard deviation of 4.5 minutes. What is the probability that an employee spends 25 minutes or more each day traveling to/from the work place? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #380115 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=380115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a large U.S. city a study was conducted to determine the typical commute time from home to the work place. The data was normally distributed with a mean commute time of 19 minutes and a standard deviation of 4.5 minutes. What is the probability that an employee spends 25 minutes or more each day traveling to/from the work place?<BR>\n" );
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document.write( "z(25) = (25-19)/4.5 = 6/4.5 = 4/3<BR>\n" );
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document.write( "P(x > 25) = P(z > 4/3) = normalcdf(4/3,100) = 0.0912<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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