Answer:
5 units
Step-by-step explanation:
im pretty sure i did the calculations right
Answer: Option 'c' is correct.
Step-by-step explanation:
Since we have given that
Average number of arrivals = 6 per hour
Service rate = 3 every 15 minutes
Service rate is given by

So, the average number of customers in the system is given by

Hence, Option 'c' is correct.
Answer:
The area of the shaded region is 
Step-by-step explanation:
we know that
The area of the shaded region is equal to the area of the circle minus the area of the rectangle
so

we have



substitute the values

----> exact value of the shaded area
Answer:
They should be at each exabit for about 51 min
Step-by-step explanation:
<h2>$64 is the correct answer!</h2>
80 x 0.2 = 16
80 - 16 = 64