A Multiple-Channel Queuing System with a Poisson Arrival Rate and Exponential

question 68

Multiple Choice

A multiple-channel queuing system with a Poisson arrival rate and exponential service time has an average arrival rate of four customers per hour and an average service time of 18 minutes per customer. The minimum number of servers required to avoid an overloaded system is

• A)1.
• B)2.
• C)3.
• D)4.
• E)5.

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Definitions:

Beta

An indicator of how much a stock's price movement deviates from the general market, where a beta greater than 1 signifies more volatility than the overall market.

Required Return

The minimum rate of return on an investment that investors expect or require, taking into account the risk level of the investment.

Risk-Free Rate

The theoretical return on investment with no risk of financial loss, typically represented by the yield on government bonds.

Real Risk-Free Rate

The rate of return on a risk-free investment, such as government treasury bills, adjusted for inflation, representing the true earning power of the investment.