Question 8: Camera Department Customers enter the camera department of a store with an average of 10.58 minutes between customers. The department is staffed by one employee, who can handle an average of 11.17 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: