A multiple channel queuing system with a Poisson arrival rate, and an exponential service time distribution has an average arrival rate of 4 customers per hour and an average service time of 18 minutes per customer. A queuing system is described as unstable or overloaded if its utilization rate is greater than or equal to 1. For the system just described, what is the minimum number of servers required to retain stability i. e., to avoid overloading?

In a macroeconomic context, what are implicit liabilities? money owed to people possessing government issued bonds. the amount of money that firms collectively owe to shareholders. money that the government has promised to pay in the future. payments that the federal government undertakes only during periods of recession. which of the choices is a significant implicit liability in the united states? military spending education spending national science foundation spending social security

Forecasting as a first step in the team’s decision making, it wants to forecast quarterly demand for each of the two types of containers for years 6 to 8. based on historical trends, demand is expected to continue to grow until year 8, after which it is expected to plateau. julie must select the appropriate forecasting method and estimate the likely forecast error. which method should she choose? why? using the method selected, forecast demand for years 6 to 8.

Individual consumers belong to which step of choosing a target market? possible customers competition demographics communication