The answer to this question is 2/3.
Answer: 6
Step-by-step explanation: DE is 4+2 so EF would be the same if it is equal.
Answer:
The answer is B) 0.57.
Step-by-step explanation:
In this problem we have to apply queueing theory.
It is a single server queueing problem.
The arrival rate is
and the service rate is
.
The proportion of time that the server is busy is now as the "server utilization"and can be calculated as:

where c is the number of server (in this case, one server).
Answer
the first one is 2/3 and the second is 1/4 the other i'll comment a little later
Step-by-step explanation:
KCC
7 units 7-4=3 (-9)-(-5)=
-9+5=(-4)
3+(-4)= 7