Customers enter the waiting line to pay for food as they leave a cafeteria on a first-come, first-served basis. The arrival rate follows a Poisson distribution, while service times follow an exponential distribution
If the average number of arrivals is four per minute and the average service rate of a single server is seven per minute, what proportion of the time is the server busy?
A) 0.43
B) 0.57
C) 0.75
D) 0.25
E) 0.33
B
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The liquidity effect is the
A. direct relationship between money supply and the real interest rate. B. proportional relationship between money supply and money demand. C. direct relationship between nominal money supply and the real money supply. D. inverse relationship between money supply and the nominal interest rate.
Which consumer promotion tool requires the consumer to provide a proof of purchase to the manufacturer?
A) price packs B) coupons C) samples D) rebates E) displays
The prospect stands up after the sales presentation and says, "Your electronic vending machine seems to be very sophisticated, but we are highly satisfied with the models we are currently using. Thanks for coming by." Which objection is being used by the prospect?
A. Hidden B. Forestalling C. No-need D. Source E. Anticipatory
Practitioners operating in the _________ role assume that effective two-way communication improves the quality of decisions for both their organization and the publics it serves
A. Expert prescriber C. Communication technician