Agan interior design provides home and office decoration assistance to its customers. In normal operation, an average of 2.8 customers arrive each hour. One design consultant is available to answer customer questions and make product recommendations. The consultant averages 10 minutes with each customer.

A. Compute the operating characteristics of the customer waiting line, assuming Poisson arrivals and exponential service times. If required, round your answers to four decimal places.

Lq=?

L=?

Wq=? hours

W=? hours

Pw= ?

B. Service goals dictate that an arriving customer should not wait for service mare than an average of 7 minutes. Is this goal being met? If not, what action do you recommend?

a. yes, goal is met

b. no, firm should decrease the mean service rate for the consultant

c. No. firm should increase the mean service rate for the consultant or hire a second consultant.