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Agan Interior Design provides home and office decorating assistance to its customers. In normal operation, an...

Agan Interior Design provides home and office decorating assistance to its customers. In normal operation, an average of 2.7 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.

  1. Compute the operating characteristics of the customer waiting line, assuming Poisson arrivals and exponential service times. Round your answers to four decimal places. Do not round intermediate calculations.

    Lq =

    L =

    Wq = ____minutes

    W = _____minutes

    Pw =
  2. Service goals dictate that an arriving customer should not wait for service more than an average of 6 minutes. Is this goal being met? If not, what action do you recommend?
    (Yes/No firm should increase/No firm Should NOT increase)

  3. If the consultant can reduce the average time spent per customer to 9 minutes, what is the mean service rate? Round your answer to four decimal places. Do not round intermediate calculations.

    µ = _______ customers per hour

    Wq = _______ minutes

    Will the service goal be met? (Yes/No)

Science   Advanced-Physics   
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