=11.2. Identify the customers and the servers in the queueing system in each of the following situations.

a. The checkout stand in a grocery store.

b. A fire station.

c. The toll booth for a bridge.

d. A bicycle repair shop.

e. A shipping dock.

f. A group of semiautomatic machines assigned to one operator.

g. The materials-handling equipment in a factory area.

h. A plumbing shop.

i. A job shop producing custom orders.

j. A secretarial word processing pool.