S6.1. In Example 5, how many servers are needed to ensure that not more than 5% of customers wait for more than 2 minutes?

S6.2. In Example 6, how many servers are needed to ensure that not more than 1% of customers find all agents busy?

S6.3. In Example 8, what is the minimum number of servers and phone lines that achieve the desired service level of 99% (i.e., rejection probability below 1%)?

S6.4. In Example 9, how many servers achiieve a loss of no more than one per thousand (0.001)?