document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1166168>Question 1166168</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The number of members arriving at a gym follows a Poisson distribution with a mean of 2 members per minute.\r<BR>\n" );
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document.write( "(a) What is the probability that 3 members arrive in 30 seconds? <BR>\n" );
document.write( "(b) Determine the probability (in percentage) that the lady at the front entrance can have a 2 minute uninterrupted coffee break? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #790900 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=790900\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since this is proportional to time, this is the same as 6 members in a minute. The parameter is 2 in a minute<BR>\n" );
document.write( "prob=e^(-2)*2^6/6!=0.0120\r<BR>\n" );
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document.write( "probability have 0 when the parameter is 2. This is e^(-2)=0.1353\r<BR>\n" );
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