1. Data of a bank in Burlington, Vermont show that, on average,customers arrive at the rate of 50 customers per hour, and thereare 30 customers in the facility. The bank manager is very proundof their services and often claims that a customer can expect tospend only 15 minutes there on average. Based on the data, find theactual average time (in minutes) a customer spends in the bank.
20 minutes | ||
30 minutes | ||
40 minutes | ||
36 minutes | ||
35 minutes | ||
15 minutes |
2.
Every year, on average, there are 230 undergraduate studentsgraduate from Grossman School of Business. Assume that all studentsadmitted stay in the program and eventually graduate, and there isno transfer in and out. Although the program is 4 years, on averagea student graduates after 4.5 years. Find the average number ofundergraduate students studying at Grossman School of Business.
800 | ||
230 | ||
1000 | ||
1035 | ||
575 | ||
975 | ||
920 |
3.
There are two processes A and B. Process A has 8 workers andproduces 800 units/hour. Process B has 3 workers and produces 400units/hour. Which of the following statement is correct.
Sufficient information is not given to compare productivities ofA and B. | ||
Productivity of B is higher than that of A. | ||
Productivity of A is higher than that of B. | ||
A and B have same productivity. |
4.
Little's formula
States that the ratio of flow rate and cycle time is equal toWIP. | ||
States that WIP is equal to the ratio of flow time and cycletime | ||
Is applicable when input rate is larger than the processcapacity. | ||
Is applicable when output rate is less than input rate. |