please bold or circle your answers. i submitted it last time and the answers were all wrong i need help!!

a) What is the average number of customers in the queue? (round response 4 decimal places)

Using the table, the average number of customers in the queue is ______ customers (round your response to four decimalplaces).

b) How long will a person wait in line on average?

The average time a person spends in the queue is ______ minutes(round your response to two decimal places).

c) If Andy's wife joins him in serving meals (at the same speed as Andy), how will your answers to parts a and bchange?

Using the table, the new average number of customers in the queue is _________ customers (round your response to four decimal places).

The new average time a person spends in the queue is _________ minutes (round your response to two decimalplaces).

Twenty-one customers armve every hour (Poisson distributed) at Andy Johnson's food truck when it parks outside the Orlando Courthouse from 11 -2p m. on weekdays. It takes Andy a mean bime of 2 minules to fill each order (following a negative exponential distribution). The Waiting Line Table is provided below and alse we know that WQ=Lq Click the icon to view the Wating Line Table a) What is the average number of customers in the queve? Using the table, the average number of customers in the queve is customers (round your response fo four decimal places). For M/M/1 queuing model, the relationship for the utilization factor is the following: = where = mean number of arrivals per time period, = mean number of people or items served per time period (average service rate). Use the waiting line table to determine the average number of customers in the queue