railway RRB JE (CBT I + CBT II) Mock Test 2024 Industrial Engineering Operations Research Queueing Theory
For a facility with an average arrival rate of 45 units per hour-and a service rate of 60 units per hour, with a maximum system size of 3 units, which of the following statements is true?
1
The probability the system is full-is 0.1054
2
The average number of units waiting to be served and being served is 1.15 units
3
The average time a unit spends waiting to be served is 1.8 minutes
4
The average number of units waiting to be served is .64-units