How much time, on average, would a server need to spend on a customer to achieve a service rate of 20 customers per hour?

3 hour 18 minutes or 3 hour

Explanation:

According to the given situation, the computation of time on average is shown below:-

The Average waiting time in the system

=

Now we will put the values into the above formula to reach the time on average which is here below:-

= 0.053 × 60 minutes

= 3 hours 18 minutes

We assume is 1 hour

Therefore for computing the time on average we simply applied the above formula.

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