document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=657777>Question 657777</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm trying to figure out the 2nd part of a 2 part question.  I have the initial question answered, but am stumped on the rest...\r<BR>\n" );
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document.write( "\"The average employee spends a mean of 15 minutes commuting to work each day.  Assume that the distribution of commute times is normal with a standard deviation of 8 minutes.  What percentage of employees spends more than 30 minutes a day commuting?\"  <<--for this I came up with a z score of 1.88, % to mean of 46.99, % in tail of 3.01%\r<BR>\n" );
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document.write( "This is the part I don't get...\r<BR>\n" );
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document.write( "\"Only 1.5% of employees spend more time commuting than Mike.  How long is his commute?  Use the parameters above to answer this question.\"\r<BR>\n" );
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document.write( "I'm drawing a blank about where to even start.  Please help!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410464 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=410464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"The average employee spends a mean of 15 minutes commuting to work each day. Assume that the distribution of commute times is normal with a standard deviation of 8 minutes. What percentage of employees spends more than 30 minutes a day commuting?\" <<--for this I came up with a z score of 1.88, <BR>\n" );
document.write( "P(x > 30) = P(z > 1.88) = normalcdf(1.88,100) = 0.0301 or 3.01%<BR>\n" );
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document.write( "is is the part I don't get... <BR>\n" );
document.write( "\"Only 1.5% of employees spend more time commuting than Mike. How long is his commute?<BR>\n" );
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document.write( "Find the z-value with a right tail of 1.5%: invNorm(0.885) = 1.2<BR>\n" );
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document.write( "Find the x-value associated with z = 1.2<BR>\n" );
document.write( "x = z*s +u<BR>\n" );
document.write( "x = 1.2*8 + 15<BR>\n" );
document.write( "x = 24.6 minutes(time of Mike's commute)<BR>\n" );
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document.write( "cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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