Question 1192106
<br>
"calculate the probability that a customers must wait before being facilitated"<br>
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>
ANSWER: 1<br>
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>
                             number who wait 5, 6, or 7 minutes
P(wait 5 or more minutes) = ------------------------------------
                                        total number</pre>