Question: plsss help!! looking for answers regarding D and E 1. Consider a single-line, single-server system at a post office. The customers arrive on an average

plsss help!!

looking for answers regarding D and E

1. Consider a single-line, single-server system at a post office. The customers arrive on an average every 4 minutes, and the average service time is 150 seconds per customer. a. What % of time is the system utilized, on an average? ( 4 points) Answer to Q1(a): 150Sec/60 seconds =2.5 2.5min/4min=62.5% average system utilization. b. Calculate the probability of being served immediately in this system. (4 points) Answer to Q1(b): 115 customers /24 customers =37.5% probability of being served immediately, c. How many customers do you expect to wait in line on average? ( 4 points) Answer to Q 1(c): 15 consumer / 24 customers 15 customers divided by 24 customers 15 customers =.6251.67=1.04 consumers waiting on average

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