Question 1 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 time? Question 2 A Target store has an average 1800 customers visiting every day. The store estimates that at any given time, there are an average of 60 customers is the store. What is the average duration of time that the customers spend in the store? The store is open for 12 hours each day. Question 3 A hospital has 275 beds. Over the last year, the average length of stay of a patient is 5.5 days. How many patients has the hospital treated in the last year? Assume the hospital is open for all 365 days of the year. Also assume that all the beds are always occupied. [Calculate the daily rate and use that to calculate the yearly patient flow] Question 4 A hospital has 275 beds. Over the last year, the average length of stay of a patient is 5.5 days. If the hospital has treated 16200 patients last year, what is the average utilization of the beds? [Answer in decimals. If the answer is 81.25%, answer as 0.8125]