Problem 18-9 (Algo) One field representative services 5 customers for a computer manufacturer. Customers request assistance at an average (Poisson- distributed) rate of once every 1.5 working days. The field representative can handle an average (Poisson-distributed) of 10 call per day. Determine the following: Use Table 1. a. The expected number of customers waiting. (Round "x" value to 2 declmal places. Round your answer to 3 decimal places.) Answer is complete but not entirely correct. Expected number of customers waiting 0.867% b. The average length of time customers must wait from the initial request for service until the service has been completed. (Round your answer to 2 decimal places.) Answer is complete but not entirely correct. Average length of time 2.00 days c. The percentage of time the service rep will be idle. (Round your answer to 1 decimal place.) Answer is complete but not entirely correct. Percentage of Idle time 33.3 % d. How much your answer to part a would be reduced if a second field rep were added? (Round your answer to 3 decimal places.) Answer is complete but not entirely correct. Reduced number of customer(s) 50.000