Refer to

Exhibit

$13\mathrm{.}2.$

Based on

this

report,

what is

the

average

total time

spent

waiting

for a

haircut

and

getting a

haircut?A barber shop has one barber who can give

$12$

$$haircuts per hour. Customers arrive at a rate of

$8$

$$customers per hour. Customer interarrival times and service times are exponentially distributed. The following queuing analysis spreadsheet was developed from this information:A barber shop has one barber who can give

$12$

$$haircuts per hour. Customers arrive at a rate of

$8$

$$customers per hour. Customer interarrival times and service times are exponentially distributed. The following queuing analysis spreadsheet was developed from this information:A barber shop has one barber who can give

$12$

$$haircuts per hour. Customers arrive at a rate of

$8$

$$customers per hour. Customer interarrival times and service times are exponentially distributed. The following queuing analysis spreadsheet was developed from this information: