Please DO NOT take the exam using TABLET. Certain questions may not show properly on tablet. Question 24 9 pts Consider a cash-only toll booth at San Francisco Bay Bridge. On average, every 15 seconds a car arrives at the toll booth. i.e., the average inter-arrival time is 15 seconds The toll service takes on average 9 seconds, i.e., the average processing time is 9 seconds. The coefficient of variation of the inter-arrival time CVa is 1.6. The coefficient of variation of the processing time CVp is 0.8. Please use the information provided above to do the three calculations below: 1. % of the time the clerk works at the toll booth is busy. 2. The average amount of time a car spends waiting in line is seconds. (Round your answer to the first decimal place) 3. On average cars are waiting in line. (Round your answer to the first decimal place)