document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=876388>Question 876388</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bank teller takes a mean of 2 min with a standard deviation of 30 s to serve<BR>\n" );
document.write( "a client. Assuming that there is at least one client waiting at all times, what is the probability that the teller will serve at least 25 clients in 1 h?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #528759 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=528759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mean = 2, sd = .5<BR>\n" );
document.write( "P(z > .4/.5) = P(z > .8) = 1 - P(z &#8804; .8) = 1 - .7881 =   .2119  0r 21.19% </SPAN>\n" );
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