Fifteen customers arrive every hour$($Poisson distributed$)$ at Andy$$ Johnson's food truck when it parks outside the Orlando Courthouse from $112$ p$.$m$.$ on weekdays. It takes Andy a mean time of $3$ minutes to fill each order$($following a negative exponential$$ distribution$).$ The Waiting Line Table is provided below and also we know that Wq$=$

Lq

$\backslash$lambda $.$

LOADING... Click the icon to view the Waiting Line Table.

Part $2$

$$a$)$ What is the average number of customers in the$$ queue?

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