At a movie theater a 3.5 customer arrive per minute. The cashier can server 280 patrons per hour.
a. Find the average number of moviegoers waiting in line to purchase a ticket.
- b. What percentage of the time is the cashier busy?
c. What is the average time that a customer spends in the system?
d. What is the average time spent waiting in line to get to the ticket window?
e. What is the probability there are two people in the system?
f. What is the probability that there are two or more people in the system?