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Question 10: Camera Department Customers enter the camera department of a store with an average of 11.57 minutes between customers. The department is staffed by one employee, who can handle an average of 12.22 customers per hour. Assume this is a simple Poisson arrival, exponentially distributed service time situation. Find the following information to help the manager decide if a second employee should be added: Part a: 4 points The average number of customers waiting. Please keep four decimals. Locally stored answer: Part b: 4 points The average time a customer waits (in minutes). Locally stored answer: Part c: 4 points The average time a customer is in the department (in minutes). Locally stored answer: Part d: 4 points The average utilization of the employee (in %). Locally stored answer: Another clerk has been hired for the camera department who also serves at an average rate of 12.22. Find the following information: Part e: 4 points The average number of customers waiting. Please keep four decimals. Locally stored answer: Part f: 4 points The average time a customer waits (in minutes). Please keep four decimals. Locally stored answer: Part g: 4 points The average time a customer is in the department (in minutes). Please keep four decimals. Locally stored