Question: The answer is not 56.25. On an average 220 customers call up a call center every hour. The average time of waiting and getting assistance

The answer is not 56.25.
On an average 220 customers call up a call center every hour. The average time of waiting and getting assistance for each caller is 15 minutes. On an average, how many callers would be on the call (waiting or being served) at any given timeStep by Step Solution
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