How do you reverse division? You multiply. So, the answer is multiplying by 28.
Answer: There are 4 average cars in the system.
Step-by-step explanation:
Since we have given that
Arrival rate = λ = 4 cars per hour
Service rate = μ = 5 cars per hour
We need to find the average number of cars in the system.
So, Average number of cars would be

So, it becomes,

Hence, there are 4 average cars in the system.