OPM 3000 (BTRA); Midterm A Q1. A post office has 5 employees to serve customers. It takes 12 minutes to complete serving a customer. What is the capacity (customers/day) of this post for a 10-hotar workday? A. 10 B. 50 C 250 D. 500 2.2. Tom wants to buy an iPhone 12 online. He can purchase via Amazon and enjoy free delivery. However, he prefers the one in purple color, which is not available on Amazon. Therefore, he decides to purchase on Apple's website, pay the delivery fee, and wait for a longer time. Which dimension of the customer utility function is not considered? A fit B. price C. timing D. location Q3. Four stations offer COVID PCR tests for international travel. The following table provides the fees and the time to get the report (assuming that people prefer to get the report earlier). Station Fee Days 1 2 3 4 $40 $10 $100 $60 2 4 1 3 A waste Which of these stations are not on the efficient frontier? A. 1 B.2 C. 3 D. 4 Q 4. The demand for a restaurant is increasing, but the restaurant does not have extra space to provide more seats and serve more customers. The restaurant faces inefficiency due to B. variability c. inflexibility D. vulnerability Q 5. Which of the following is NOT an appropriate output for an amusement park? A. customers B. sold tickets C. revenue D. wages Q 6. Five customers visit a coffee shop from 8 am to 9 am. The customers spend 9, 5, 7, 10, and 14 minutes in the coffee shop. What is the average number of customers in this coffee shop? A. 0.15 B. 0.75 C. 4.5 D. 9 Q 7. Suppose the average flow rate of a process increases by 20%, and the average flow time decreases by 20%. What will be the percentage change in the average inventory? A. -10% B. -4% C. 4% D. 10% Q 8. Suppose you are operating an ice cream cart by yourself. The processing time is 4 minutes per customer, and the cycle time is 6 minutes per customer. What is the demand rate (customers/hour)? A. 6 B. 10 C. 15 D. 20