1. In the process below, after step 1,25% of the customers go through step 2 , and the rest of them go to step 3 . Provide answers to the following questions accordingly, by using the values provided on the process flow chart below. 1-1. How many customers are in average waiting before step 1 or are receiving service at step 1 in this process? points) 1-2. If on average, there are 6 customers waiting before step 2 or are receiving service through that step, how lon on average step 2 takes? (5 points) 1-3. What is the process flow time? (Start and End events have zero duration) (5 points) Hint: As the customers experience different durations depending on the path they take in the process, do not forget to take this observation into considerations when calculating the overall process flow time