Question 1)

Large batches do all of the following, EXCEPT:

Group of answer choices

Increase flow times

Increase set up frequency

Increase the time to process a batch at each station (batch cycle time)

Increase WIP

Question 2)

In an M/M/1 system, the coefficient of variability for arrivals is equal to 1 (Ca=1). True or False?

Group of answer choices

True

False

Question 3)

In an M/D/1 system, the coefficient of variability for service is equal to 1 (Cs=1) . True or False?

Group of answer choices

True

False

Question 4)

Once you compute average length of the queue (Lq), you can use Littles Law to get average waiting time in queue (Wq). True or False?

Group of answer choices

True

False

Question 5)

An emergency department has one dedicated operating room for emergency surgeries. Emergency patients requiring surgery arrive according to a Poisson process at a rate of 2 per hour. Surgery takes an exponential amount of time with an average of 20 minutes. What is the average number of patients in the system (being operated on and waiting)?

Group of answer choices

2

2/3

4/3

6

3