cisc $2531$ Busn $3430$ SP$-24$ Test $2$ Name $q,$ cuny# $$ Page $8$ of $10$ Put your answer on the test paper. Write Neatly. Show work for partial credit.

The organizers of a conference in the Houston Convention Center are evaluating the possibility of setting up a computer area where attendees can check their e$-$mail on computers provided by the organization. There will be one common queue for all computers and only one person uses a computer at a time. On average, there are $10$ attendee arrivals per hour and the average time a person spends on the computer is $20$ minutes.

What is a$?[2]$

What is $p?[2]$

To ensure that waiting times are not too long, the organizers want to ensure that the utilization of the computers doesn't exceed $90$ percent. How many computers do they need to have? $[3]$