document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1192106>Question 1192106</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Cool tel is large mobile service provider it has conducted a study on 10000 customers about length of time they have to wait at its customer care centres before being facilitated by cool's officer the results of study are<BR>\n" );
document.write( "waiting time (min) 0   1     2       3      4      5      6       7<BR>\n" );
document.write( "no of customers   380 1120  1680   1780   1960   1530   1200    330<BR>\n" );
document.write( "calculate the probability that a customers must wait before being facilitated? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #824024 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=824024\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "\"calculate the probability that a customers must wait before being facilitated\"<br><BR>\n" );
document.write( "Every customer needs to wait, even if it is only a fraction of a second.  So the probability a customer must wait is 1.000.<br><BR>\n" );
document.write( "ANSWER: 1<br><BR>\n" );
document.write( "If the statement of the problem was supposed to say \"...wait 5 or more minutes\", then the question could be answered using the basic definition of probability:<br><PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "                             number who wait 5, 6, or 7 minutes\r\n" );
document.write( "P(wait 5 or more minutes) = ------------------------------------\r\n" );
document.write( "                                        total number</PRE><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );