A new shopping mall is considering setting up an information desk operated by two employees. Based on information obtained from similar information desks, it is believed that people will arrive at the desk at the rate of 20 per hour
It takes an average of 4 minutes to answer a question. It is assumed that arrivals are Poisson and answer times are exponentially distributed.
(a) Find the proportion of the time that the employees are busy.
(b) Find the average number of people waiting in line to get some information.
(c) Find the expected time a person spends just waiting in line to have his question answered.
(a) ? = 0.667
(b) Lq = 1.0667
(c) Wq = 0.0533 hour
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Wella is a salesperson working for Broker Vincent. Wella sells a $150,000 home listed with another brokerage. The listing commission is 6.5 percent of the selling price. Of this amount, 5 percent is payable to the referral network that referred the buyer, 35 percent goes to the listing broker, and 60 percent belongs to the cooperating broker. Broker Vincent and Wella agreed that she would receive 55 percent of any commission that she generated for their office. For this transaction, she is entitled to receive
A) $2,632.50 B) $3,217.50 C) $3,412.50 D) $5,850.00
Brand spiraling is using:
A) various online advertising techniques to develop a brand B) interactive marketing methods to build Web traffic C) traditional media to promote and attract customers to a website D) viral and permission marketing coupled with database technologies