Consider espresso stand with single barista

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Reference no: EM132269105

1. Consider an espresso stand with a single barista. Customers arrive to the stand at the rate of 28 per hour according to a Poisson distribution. Service times are exponentially distributed with a service rate of 35 customers per minute. If the arrival rate remains at 28 customers per hour and the stand's manager wants to have the average time a customer spends in the system (i.e., wait time and service time) to be a maximum of 6 minutes on average, then the service rate must Select one: A. decrease by 2 to 33 customers per hour. B. decrease by 3 to 32 customers per hour. C. increase by 3 to 38 customers per hour. D. increase by 2 to 37 customers per hour.

2. The Taguchi Quality Loss Function implies that a Select one: A. customer's dissatisfaction increases geometrically as the actual value deviates from the target value. B. customer's satisfaction increases geometrically as the actual value deviates from the target value. C. customer's dissatisfaction decreases geometrically as the actual value deviates from the target value. D. customer's preferences are strongly oriented towards conforming to specifications.

3. A small diner has one employee and a counter with seating for 8 customers. The diner does not package food for takeout. Customers arrive at the diner at the rate of 20 per hour (Poisson distributed). Service times are exponentially distributed and average 24 per hour. Customers that arrive when all seats are taken do not enter the diner. What is the average time a customer spends in the diner?

A. 3 minutes

B. 5.975 minutes

C. 6.44 minutes

D. 8.94 minutes

4. Arthur had a low score on the financial literacy self assessment. If Arthur wants to improve his score, which of the following is a step in the right direction?

1. Learn about auto insurance

2. Learn about sources of retirement income

3. Learn about auto loans

4. Learn about ATMs

Reference no: EM132269105

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