During Busy hour, 1000 calls were offered to a group of trunks and 5 calls were lost. The average call duration was 2 minutes. Find Grade of Service (B)

During Busy hour, 1000 calls were offered to a group of trunks and 5

1.	During Busy hour, 1000 calls were offered to a group of trunks and 5 calls were lost. The average call duration was 2 minutes. Find Grade of Service (B)
A.	0.025
B.	0.005
C.	0.076
D.	0.056
Answer» C. 0.076