Problem 1: ABC law firm produces many legal documents which are word processed (using MS word). Requests for documents arrive at the rate of 8 pages per hour according to Poisson distribution. The secretary can process 10 pages per hour on average according to exponential distribution. a. What is the average utilization of the secretary? b. What is the probability of zero documents in the system? c. What is the average number of documents in the system? d. What is the average number of documents in the waiting line? e. What is the average time spent in the system to produce processed documents? f. What is the average time spent in the waiting line