document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=464991>Question 464991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The time between arrivals of vehicles at a particular intersection follows an exponential probability distribution with a mean of 10 seconds.\r<BR>\n" );
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document.write( "What is the probability that the arrival time between vehicles is 12 seconds or less (to 4 decimals)?<BR>\n" );
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document.write( "What is the probability that the arrival time between vehicles is 6 seconds or less (to 4 decimals)?<BR>\n" );
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document.write( "What is the probability of 30 or more seconds between vehicle arrivals (to 4 decimals)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #318632 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=318632\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The mean of the exponential function is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10+=+1%2Falpha ALIGN=MIDDLE  ALT=\"10+=+1%2Falpha\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=alpha+=+1%2F10 ALIGN=MIDDLE  ALT=\"alpha+=+1%2F10\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "==> Cdf is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F%28x%29+=+1+-+1%2Fe%5E%28alpha%2Ax%29+=+1+-+1%2Fe%5E%28x%2F10%29 ALIGN=MIDDLE  ALT=\"F%28x%29+=+1+-+1%2Fe%5E%28alpha%2Ax%29+=+1+-+1%2Fe%5E%28x%2F10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F%2812%29+=+1+-+1%2Fe%5E%2812%2F10%29+=+1+-+1%2Fe%5E%286%2F5%29+=+0.6988 ALIGN=MIDDLE  ALT=\"F%2812%29+=+1+-+1%2Fe%5E%2812%2F10%29+=+1+-+1%2Fe%5E%286%2F5%29+=+0.6988\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F%286%29+=+1+-+1%2Fe%5E%286%2F10%29+=+1+-+1%2Fe%5E%283%2F5%29+=+0.4512 ALIGN=MIDDLE  ALT=\"F%286%29+=+1+-+1%2Fe%5E%286%2F10%29+=+1+-+1%2Fe%5E%283%2F5%29+=+0.4512\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+-+F%2830%29+=+1+-+%28+1+-+1%2Fe%5E%2830%2F10%29%29+=+1%2Fe%5E3+=+0.0498 ALIGN=MIDDLE  ALT=\"1+-+F%2830%29+=+1+-+%28+1+-+1%2Fe%5E%2830%2F10%29%29+=+1%2Fe%5E3+=+0.0498\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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