In a Single Server,exponential Service Durations,and Finite Number in System

Multiple Choice

In a single server,exponential service durations,and finite number in system model there are 4 customers in the system three in line and one being served.What is the probability no new customer will join the line? The probability of zero customers in the system is .375,arrival rate is 18 per hour and the service rate is 24 per hour.

A) 0.093
B) 0.1187
C) 0.256
D) 0.289
E) 0.311