During the morning hours at a catalog sales department, telephone calls come in at the rate...

During the morning hours at a catalog sales department, telephone calls come in at the rate (Poisson) of 40 per hour. Calls that cannot be answered immediately are put on hold. The system can handle 8 callers on hold. If additional calls come in, they receive a busy signal. The 3 customer service representatives who answer the calls spend an average of 4 minutes with a customer (Please show how to calculate the trail and error in excel for part a & b).

a. What is the probability that a caller will get a busy signal? (Hint: Solve for log K or ln K using trial and error.)

b. What is the probability that a customer will be put on hold?

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Expert Solution

orchestra answered 1 year ago

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