Section $2$ account for large, bulk items$).$ Our usual assumption holds where the interarrival and service times follow an exponential distribution.

Calculate the average service rate $($in hours to match $).$

a$.9$ customers per hour

b$.7\mathrm{.}2$ customers per hour

c$.16$ customers per hour

d$.12$ customers per hour

Clear my choice

Considering any one of the individual $s^{***}$ queues, derive the expected number of customers in the system $($in line and at the register$).$

a$.1\mathrm{.}5$ customers

b$.9$ customers

c$.4$ customers

d$.3$ customers

Considering any one of the individual $s^{***}$ queues, derive the expected time $($seconds$)$ spent in the system $($in line and at the register$)$ for a customer.

a$.900$ seconds

b$.1800$ seconds

C$.1200$ seconds

d$.1600$ seconds